20173359420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{52543}}^1$

素因数の和:52646

約数の個数: 144

約数和(自身を含む): 64263413760

約数和(自身を除く): 44090054340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 158, 162, 180, 237, 243, 270, 316, 324, 395, 405, 474, 486, 540, 711, 790, 810, 948, 972, 1185, 1215, 1422, 1580, 1620, 2133, 2370, 2430, 2844, 3555, 4266, 4740, 4860, 6399, 7110, 8532, 10665, 12798, 14220, 19197, 21330, 25596, 31995, 38394, 42660, 52543, 63990, 76788, 95985, 105086, 127980, 157629, 191970, 210172, 262715, 315258, 383940, 472887, 525430, 630516, 788145, 945774, 1050860, 1418661, 1576290, 1891548, 2364435, 2837322, 3152580, 4150897, 4255983, 4728870, 5674644, 7093305, 8301794, 8511966, 9457740, 12452691, 12767949, 14186610, 16603588, 17023932, 20754485, 21279915, 24905382, 25535898, 28373220, 37358073, 41508970, 42559830, 49810764, 51071796, 62263455, 63839745, 74716146, 83017940, 85119660, 112074219, 124526910, 127679490, 149432292, 186790365, 224148438, 249053820, 255358980, 336222657, 373580730, 448296876, 560371095, 672445314, 747161460, 1008667971, 1120742190, 1344890628, 1681113285, 2017335942, 2241484380, 3362226570, 4034671884, 5043339855, 6724453140, 10086679710, 20173359420]

約数ペア:

[(1, 20173359420), (2, 10086679710), (3, 6724453140), (4, 5043339855), (5, 4034671884), (6, 3362226570), (9, 2241484380), (10, 2017335942), (12, 1681113285), (15, 1344890628), (18, 1120742190), (20, 1008667971), (27, 747161460), (30, 672445314), (36, 560371095), (45, 448296876), (54, 373580730), (60, 336222657), (79, 255358980), (81, 249053820), (90, 224148438), (108, 186790365), (135, 149432292), (158, 127679490), (162, 124526910), (180, 112074219), (237, 85119660), (243, 83017940), (270, 74716146), (316, 63839745), (324, 62263455), (395, 51071796), (405, 49810764), (474, 42559830), (486, 41508970), (540, 37358073), (711, 28373220), (790, 25535898), (810, 24905382), (948, 21279915), (972, 20754485), (1185, 17023932), (1215, 16603588), (1422, 14186610), (1580, 12767949), (1620, 12452691), (2133, 9457740), (2370, 8511966), (2430, 8301794), (2844, 7093305), (3555, 5674644), (4266, 4728870), (4740, 4255983), (4860, 4150897), (6399, 3152580), (7110, 2837322), (8532, 2364435), (10665, 1891548), (12798, 1576290), (14220, 1418661), (19197, 1050860), (21330, 945774), (25596, 788145), (31995, 630516), (38394, 525430), (42660, 472887), (52543, 383940), (63990, 315258), (76788, 262715), (95985, 210172), (105086, 191970), (127980, 157629)]