20290140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:93

約数の個数: 216

約数和(自身を含む): 71940960

約数和(自身を除く): 51650820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 29, 30, 36, 39, 45, 46, 52, 58, 60, 65, 69, 78, 87, 90, 92, 115, 116, 117, 130, 138, 145, 156, 169, 174, 180, 195, 207, 230, 234, 260, 261, 276, 290, 299, 338, 345, 348, 377, 390, 414, 435, 460, 468, 507, 522, 580, 585, 598, 667, 676, 690, 754, 780, 828, 845, 870, 897, 1014, 1035, 1044, 1131, 1170, 1196, 1305, 1334, 1380, 1495, 1508, 1521, 1690, 1740, 1794, 1885, 2001, 2028, 2070, 2262, 2340, 2535, 2610, 2668, 2691, 2990, 3042, 3335, 3380, 3393, 3588, 3770, 3887, 4002, 4140, 4485, 4524, 4901, 5070, 5220, 5382, 5655, 5980, 6003, 6084, 6670, 6786, 7540, 7605, 7774, 8004, 8671, 8970, 9802, 10005, 10140, 10764, 11310, 11661, 12006, 13340, 13455, 13572, 14703, 15210, 15548, 16965, 17342, 17940, 19435, 19604, 20010, 22620, 23322, 24012, 24505, 26013, 26910, 29406, 30015, 30420, 33930, 34684, 34983, 38870, 40020, 43355, 44109, 46644, 49010, 52026, 53820, 58305, 58812, 60030, 67860, 69966, 73515, 77740, 78039, 86710, 88218, 98020, 104052, 112723, 116610, 120060, 130065, 139932, 147030, 156078, 173420, 174915, 176436, 220545, 225446, 233220, 260130, 294060, 312156, 338169, 349830, 390195, 441090, 450892, 520260, 563615, 676338, 699660, 780390, 882180, 1014507, 1127230, 1352676, 1560780, 1690845, 2029014, 2254460, 3381690, 4058028, 5072535, 6763380, 10145070, 20290140]

約数ペア:

[(1, 20290140), (2, 10145070), (3, 6763380), (4, 5072535), (5, 4058028), (6, 3381690), (9, 2254460), (10, 2029014), (12, 1690845), (13, 1560780), (15, 1352676), (18, 1127230), (20, 1014507), (23, 882180), (26, 780390), (29, 699660), (30, 676338), (36, 563615), (39, 520260), (45, 450892), (46, 441090), (52, 390195), (58, 349830), (60, 338169), (65, 312156), (69, 294060), (78, 260130), (87, 233220), (90, 225446), (92, 220545), (115, 176436), (116, 174915), (117, 173420), (130, 156078), (138, 147030), (145, 139932), (156, 130065), (169, 120060), (174, 116610), (180, 112723), (195, 104052), (207, 98020), (230, 88218), (234, 86710), (260, 78039), (261, 77740), (276, 73515), (290, 69966), (299, 67860), (338, 60030), (345, 58812), (348, 58305), (377, 53820), (390, 52026), (414, 49010), (435, 46644), (460, 44109), (468, 43355), (507, 40020), (522, 38870), (580, 34983), (585, 34684), (598, 33930), (667, 30420), (676, 30015), (690, 29406), (754, 26910), (780, 26013), (828, 24505), (845, 24012), (870, 23322), (897, 22620), (1014, 20010), (1035, 19604), (1044, 19435), (1131, 17940), (1170, 17342), (1196, 16965), (1305, 15548), (1334, 15210), (1380, 14703), (1495, 13572), (1508, 13455), (1521, 13340), (1690, 12006), (1740, 11661), (1794, 11310), (1885, 10764), (2001, 10140), (2028, 10005), (2070, 9802), (2262, 8970), (2340, 8671), (2535, 8004), (2610, 7774), (2668, 7605), (2691, 7540), (2990, 6786), (3042, 6670), (3335, 6084), (3380, 6003), (3393, 5980), (3588, 5655), (3770, 5382), (3887, 5220), (4002, 5070), (4140, 4901), (4485, 4524)]