20662650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 61194744

約数和(自身を除く): 40532094

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 37, 45, 50, 51, 73, 74, 75, 85, 90, 102, 111, 146, 150, 153, 170, 185, 219, 222, 225, 255, 306, 333, 365, 370, 425, 438, 450, 510, 555, 629, 657, 666, 730, 765, 850, 925, 1095, 1110, 1241, 1258, 1275, 1314, 1530, 1665, 1825, 1850, 1887, 2190, 2482, 2550, 2701, 2775, 3145, 3285, 3330, 3650, 3723, 3774, 3825, 5402, 5475, 5550, 5661, 6205, 6290, 6570, 7446, 7650, 8103, 8325, 9435, 10950, 11169, 11322, 12410, 13505, 15725, 16206, 16425, 16650, 18615, 18870, 22338, 24309, 27010, 28305, 31025, 31450, 32850, 37230, 40515, 45917, 47175, 48618, 55845, 56610, 62050, 67525, 81030, 91834, 93075, 94350, 111690, 121545, 135050, 137751, 141525, 186150, 202575, 229585, 243090, 275502, 279225, 283050, 405150, 413253, 459170, 558450, 607725, 688755, 826506, 1147925, 1215450, 1377510, 2066265, 2295850, 3443775, 4132530, 6887550, 10331325, 20662650]

約数ペア:

[(1, 20662650), (2, 10331325), (3, 6887550), (5, 4132530), (6, 3443775), (9, 2295850), (10, 2066265), (15, 1377510), (17, 1215450), (18, 1147925), (25, 826506), (30, 688755), (34, 607725), (37, 558450), (45, 459170), (50, 413253), (51, 405150), (73, 283050), (74, 279225), (75, 275502), (85, 243090), (90, 229585), (102, 202575), (111, 186150), (146, 141525), (150, 137751), (153, 135050), (170, 121545), (185, 111690), (219, 94350), (222, 93075), (225, 91834), (255, 81030), (306, 67525), (333, 62050), (365, 56610), (370, 55845), (425, 48618), (438, 47175), (450, 45917), (510, 40515), (555, 37230), (629, 32850), (657, 31450), (666, 31025), (730, 28305), (765, 27010), (850, 24309), (925, 22338), (1095, 18870), (1110, 18615), (1241, 16650), (1258, 16425), (1275, 16206), (1314, 15725), (1530, 13505), (1665, 12410), (1825, 11322), (1850, 11169), (1887, 10950), (2190, 9435), (2482, 8325), (2550, 8103), (2701, 7650), (2775, 7446), (3145, 6570), (3285, 6290), (3330, 6205), (3650, 5661), (3723, 5550), (3774, 5475), (3825, 5402)]