20697300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 216

約数和(自身を含む): 73458840

約数和(自身を除く): 52761540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 29, 30, 36, 39, 45, 50, 52, 58, 60, 61, 65, 75, 78, 87, 90, 100, 116, 117, 122, 130, 145, 150, 156, 174, 180, 183, 195, 225, 234, 244, 260, 261, 290, 300, 305, 325, 348, 366, 377, 390, 435, 450, 468, 522, 549, 580, 585, 610, 650, 725, 732, 754, 780, 793, 870, 900, 915, 975, 1044, 1098, 1131, 1170, 1220, 1300, 1305, 1450, 1508, 1525, 1586, 1740, 1769, 1830, 1885, 1950, 2175, 2196, 2262, 2340, 2379, 2610, 2745, 2900, 2925, 3050, 3172, 3393, 3538, 3660, 3770, 3900, 3965, 4350, 4524, 4575, 4758, 5220, 5307, 5490, 5655, 5850, 6100, 6525, 6786, 7076, 7137, 7540, 7930, 8700, 8845, 9150, 9425, 9516, 10614, 10980, 11310, 11700, 11895, 13050, 13572, 13725, 14274, 15860, 15921, 16965, 17690, 18300, 18850, 19825, 21228, 22620, 22997, 23790, 26100, 26535, 27450, 28275, 28548, 31842, 33930, 35380, 35685, 37700, 39650, 44225, 45994, 47580, 53070, 54900, 56550, 59475, 63684, 67860, 68991, 71370, 79300, 79605, 84825, 88450, 91988, 106140, 113100, 114985, 118950, 132675, 137982, 142740, 159210, 169650, 176900, 178425, 206973, 229970, 237900, 265350, 275964, 318420, 339300, 344955, 356850, 398025, 413946, 459940, 530700, 574925, 689910, 713700, 796050, 827892, 1034865, 1149850, 1379820, 1592100, 1724775, 2069730, 2299700, 3449550, 4139460, 5174325, 6899100, 10348650, 20697300]

約数ペア:

[(1, 20697300), (2, 10348650), (3, 6899100), (4, 5174325), (5, 4139460), (6, 3449550), (9, 2299700), (10, 2069730), (12, 1724775), (13, 1592100), (15, 1379820), (18, 1149850), (20, 1034865), (25, 827892), (26, 796050), (29, 713700), (30, 689910), (36, 574925), (39, 530700), (45, 459940), (50, 413946), (52, 398025), (58, 356850), (60, 344955), (61, 339300), (65, 318420), (75, 275964), (78, 265350), (87, 237900), (90, 229970), (100, 206973), (116, 178425), (117, 176900), (122, 169650), (130, 159210), (145, 142740), (150, 137982), (156, 132675), (174, 118950), (180, 114985), (183, 113100), (195, 106140), (225, 91988), (234, 88450), (244, 84825), (260, 79605), (261, 79300), (290, 71370), (300, 68991), (305, 67860), (325, 63684), (348, 59475), (366, 56550), (377, 54900), (390, 53070), (435, 47580), (450, 45994), (468, 44225), (522, 39650), (549, 37700), (580, 35685), (585, 35380), (610, 33930), (650, 31842), (725, 28548), (732, 28275), (754, 27450), (780, 26535), (793, 26100), (870, 23790), (900, 22997), (915, 22620), (975, 21228), (1044, 19825), (1098, 18850), (1131, 18300), (1170, 17690), (1220, 16965), (1300, 15921), (1305, 15860), (1450, 14274), (1508, 13725), (1525, 13572), (1586, 13050), (1740, 11895), (1769, 11700), (1830, 11310), (1885, 10980), (1950, 10614), (2175, 9516), (2196, 9425), (2262, 9150), (2340, 8845), (2379, 8700), (2610, 7930), (2745, 7540), (2900, 7137), (2925, 7076), (3050, 6786), (3172, 6525), (3393, 6100), (3538, 5850), (3660, 5655), (3770, 5490), (3900, 5307), (3965, 5220), (4350, 4758), (4524, 4575)]