20515770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 65505024

約数和(自身を除く): 44989254

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 23, 30, 33, 34, 45, 46, 51, 53, 55, 66, 69, 85, 90, 99, 102, 106, 110, 115, 138, 153, 159, 165, 170, 187, 198, 207, 230, 253, 255, 265, 306, 318, 330, 345, 374, 391, 414, 477, 495, 506, 510, 530, 561, 583, 690, 759, 765, 782, 795, 901, 935, 954, 990, 1035, 1122, 1166, 1173, 1219, 1265, 1518, 1530, 1590, 1683, 1749, 1802, 1870, 1955, 2070, 2277, 2346, 2385, 2438, 2530, 2703, 2805, 2915, 3366, 3498, 3519, 3657, 3795, 3910, 4301, 4505, 4554, 4770, 5247, 5406, 5610, 5830, 5865, 6095, 7038, 7314, 7590, 8109, 8415, 8602, 8745, 9010, 9911, 10494, 10971, 11385, 11730, 12190, 12903, 13409, 13515, 16218, 16830, 17490, 17595, 18285, 19822, 20723, 21505, 21942, 22770, 25806, 26235, 26818, 27030, 29733, 35190, 36570, 38709, 40227, 40545, 41446, 43010, 49555, 52470, 54855, 59466, 62169, 64515, 67045, 77418, 80454, 81090, 89199, 99110, 103615, 109710, 120681, 124338, 129030, 134090, 148665, 178398, 186507, 193545, 201135, 207230, 227953, 241362, 297330, 310845, 373014, 387090, 402270, 445995, 455906, 603405, 621690, 683859, 891990, 932535, 1139765, 1206810, 1367718, 1865070, 2051577, 2279530, 3419295, 4103154, 6838590, 10257885, 20515770]

約数ペア:

[(1, 20515770), (2, 10257885), (3, 6838590), (5, 4103154), (6, 3419295), (9, 2279530), (10, 2051577), (11, 1865070), (15, 1367718), (17, 1206810), (18, 1139765), (22, 932535), (23, 891990), (30, 683859), (33, 621690), (34, 603405), (45, 455906), (46, 445995), (51, 402270), (53, 387090), (55, 373014), (66, 310845), (69, 297330), (85, 241362), (90, 227953), (99, 207230), (102, 201135), (106, 193545), (110, 186507), (115, 178398), (138, 148665), (153, 134090), (159, 129030), (165, 124338), (170, 120681), (187, 109710), (198, 103615), (207, 99110), (230, 89199), (253, 81090), (255, 80454), (265, 77418), (306, 67045), (318, 64515), (330, 62169), (345, 59466), (374, 54855), (391, 52470), (414, 49555), (477, 43010), (495, 41446), (506, 40545), (510, 40227), (530, 38709), (561, 36570), (583, 35190), (690, 29733), (759, 27030), (765, 26818), (782, 26235), (795, 25806), (901, 22770), (935, 21942), (954, 21505), (990, 20723), (1035, 19822), (1122, 18285), (1166, 17595), (1173, 17490), (1219, 16830), (1265, 16218), (1518, 13515), (1530, 13409), (1590, 12903), (1683, 12190), (1749, 11730), (1802, 11385), (1870, 10971), (1955, 10494), (2070, 9911), (2277, 9010), (2346, 8745), (2385, 8602), (2438, 8415), (2530, 8109), (2703, 7590), (2805, 7314), (2915, 7038), (3366, 6095), (3498, 5865), (3519, 5830), (3657, 5610), (3795, 5406), (3910, 5247), (4301, 4770), (4505, 4554)]