20177963370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^2$

素因数の和:569

約数の個数: 144

約数和(自身を含む): 54218169720

約数和(自身を除く): 34040206350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 109, 159, 197, 218, 265, 318, 327, 394, 477, 530, 545, 591, 654, 795, 954, 981, 985, 1090, 1182, 1590, 1635, 1773, 1962, 1970, 2385, 2955, 3270, 3546, 4770, 4905, 5777, 5910, 8865, 9810, 10441, 11554, 17331, 17730, 20882, 21473, 28885, 31323, 34662, 38809, 42946, 51993, 52205, 57770, 62646, 64419, 77618, 86655, 93969, 103986, 104410, 107365, 116427, 128838, 156615, 173310, 187938, 193257, 194045, 214730, 232854, 259965, 313230, 322095, 349281, 386514, 388090, 469845, 519930, 582135, 644190, 698562, 939690, 966285, 1138069, 1164270, 1746405, 1932570, 2056877, 2276138, 3414207, 3492810, 4113754, 4230181, 5690345, 6170631, 6828414, 8460362, 10242621, 10284385, 11380690, 12341262, 12690543, 17071035, 18511893, 20485242, 20568770, 21150905, 25381086, 30853155, 34142070, 37023786, 38071629, 42301810, 51213105, 61706310, 63452715, 76143258, 92559465, 102426210, 126905430, 185118930, 190358145, 224199593, 380716290, 448399186, 672598779, 1120997965, 1345197558, 2017796337, 2241995930, 3362993895, 4035592674, 6725987790, 10088981685, 20177963370]

約数ペア:

[(1, 20177963370), (2, 10088981685), (3, 6725987790), (5, 4035592674), (6, 3362993895), (9, 2241995930), (10, 2017796337), (15, 1345197558), (18, 1120997965), (30, 672598779), (45, 448399186), (53, 380716290), (90, 224199593), (106, 190358145), (109, 185118930), (159, 126905430), (197, 102426210), (218, 92559465), (265, 76143258), (318, 63452715), (327, 61706310), (394, 51213105), (477, 42301810), (530, 38071629), (545, 37023786), (591, 34142070), (654, 30853155), (795, 25381086), (954, 21150905), (981, 20568770), (985, 20485242), (1090, 18511893), (1182, 17071035), (1590, 12690543), (1635, 12341262), (1773, 11380690), (1962, 10284385), (1970, 10242621), (2385, 8460362), (2955, 6828414), (3270, 6170631), (3546, 5690345), (4770, 4230181), (4905, 4113754), (5777, 3492810), (5910, 3414207), (8865, 2276138), (9810, 2056877), (10441, 1932570), (11554, 1746405), (17331, 1164270), (17730, 1138069), (20882, 966285), (21473, 939690), (28885, 698562), (31323, 644190), (34662, 582135), (38809, 519930), (42946, 469845), (51993, 388090), (52205, 386514), (57770, 349281), (62646, 322095), (64419, 313230), (77618, 259965), (86655, 232854), (93969, 214730), (103986, 194045), (104410, 193257), (107365, 187938), (116427, 173310), (128838, 156615)]