20673456050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{167}}^1\times {\mathrm{659}}^1$

素因数の和:885

約数の個数: 144

約数和(自身を含む): 44320288320

約数和(自身を除く): 23646832270

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 167, 170, 221, 289, 325, 334, 425, 442, 578, 650, 659, 835, 850, 1105, 1318, 1445, 1670, 2171, 2210, 2839, 2890, 3295, 3757, 4175, 4342, 5525, 5678, 6590, 7225, 7514, 8350, 8567, 10855, 11050, 11203, 14195, 14450, 16475, 17134, 18785, 21710, 22406, 28390, 32950, 36907, 37570, 42835, 48263, 54275, 56015, 70975, 73814, 85670, 93925, 96526, 108550, 110053, 112030, 141950, 145639, 184535, 187850, 190451, 214175, 220106, 241315, 280075, 291278, 369070, 380902, 428350, 482630, 550265, 560150, 627419, 728195, 922675, 952255, 1100530, 1206575, 1254838, 1430689, 1456390, 1845350, 1870901, 1904510, 2413150, 2475863, 2751325, 2861378, 3137095, 3640975, 3741802, 4761275, 4951726, 5502650, 6274190, 7153445, 7281950, 9354505, 9522550, 12379315, 14306890, 15685475, 18709010, 24321713, 24758630, 31370950, 31805317, 35767225, 46772525, 48643426, 61896575, 63610634, 71534450, 93545050, 121608565, 123793150, 159026585, 243217130, 318053170, 413469121, 608042825, 795132925, 826938242, 1216085650, 1590265850, 2067345605, 4134691210, 10336728025, 20673456050]

約数ペア:

[(1, 20673456050), (2, 10336728025), (5, 4134691210), (10, 2067345605), (13, 1590265850), (17, 1216085650), (25, 826938242), (26, 795132925), (34, 608042825), (50, 413469121), (65, 318053170), (85, 243217130), (130, 159026585), (167, 123793150), (170, 121608565), (221, 93545050), (289, 71534450), (325, 63610634), (334, 61896575), (425, 48643426), (442, 46772525), (578, 35767225), (650, 31805317), (659, 31370950), (835, 24758630), (850, 24321713), (1105, 18709010), (1318, 15685475), (1445, 14306890), (1670, 12379315), (2171, 9522550), (2210, 9354505), (2839, 7281950), (2890, 7153445), (3295, 6274190), (3757, 5502650), (4175, 4951726), (4342, 4761275), (5525, 3741802), (5678, 3640975), (6590, 3137095), (7225, 2861378), (7514, 2751325), (8350, 2475863), (8567, 2413150), (10855, 1904510), (11050, 1870901), (11203, 1845350), (14195, 1456390), (14450, 1430689), (16475, 1254838), (17134, 1206575), (18785, 1100530), (21710, 952255), (22406, 922675), (28390, 728195), (32950, 627419), (36907, 560150), (37570, 550265), (42835, 482630), (48263, 428350), (54275, 380902), (56015, 369070), (70975, 291278), (73814, 280075), (85670, 241315), (93925, 220106), (96526, 214175), (108550, 190451), (110053, 187850), (112030, 184535), (141950, 145639)]