20157874452

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{1499}}^1$

素因数の和:1790

約数の個数: 144

約数和(自身を含む): 54054000000

約数和(自身を除く): 33896125548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 109, 138, 149, 207, 218, 276, 298, 327, 414, 436, 447, 596, 654, 828, 894, 981, 1308, 1341, 1499, 1788, 1962, 2507, 2682, 2998, 3427, 3924, 4497, 5014, 5364, 5996, 6854, 7521, 8994, 10028, 10281, 13491, 13708, 15042, 16241, 17988, 20562, 22563, 26982, 30084, 30843, 32482, 34477, 41124, 45126, 48723, 53964, 61686, 64964, 68954, 90252, 97446, 103431, 123372, 137908, 146169, 163391, 194892, 206862, 223351, 292338, 310293, 326782, 373543, 413724, 446702, 490173, 584676, 620586, 653564, 670053, 747086, 893404, 980346, 1120629, 1241172, 1340106, 1470519, 1494172, 1960692, 2010159, 2241258, 2680212, 2941038, 3361887, 3757993, 4020318, 4482516, 5137073, 5882076, 6723774, 7515986, 8040636, 10274146, 11273979, 13447548, 15031972, 15411219, 20548292, 22547958, 24345259, 30822438, 33821937, 45095916, 46233657, 48690518, 61644876, 67643874, 73035777, 92467314, 97381036, 135287748, 146071554, 184934628, 219107331, 292143108, 438214662, 559940957, 876429324, 1119881914, 1679822871, 2239763828, 3359645742, 5039468613, 6719291484, 10078937226, 20157874452]

約数ペア:

[(1, 20157874452), (2, 10078937226), (3, 6719291484), (4, 5039468613), (6, 3359645742), (9, 2239763828), (12, 1679822871), (18, 1119881914), (23, 876429324), (36, 559940957), (46, 438214662), (69, 292143108), (92, 219107331), (109, 184934628), (138, 146071554), (149, 135287748), (207, 97381036), (218, 92467314), (276, 73035777), (298, 67643874), (327, 61644876), (414, 48690518), (436, 46233657), (447, 45095916), (596, 33821937), (654, 30822438), (828, 24345259), (894, 22547958), (981, 20548292), (1308, 15411219), (1341, 15031972), (1499, 13447548), (1788, 11273979), (1962, 10274146), (2507, 8040636), (2682, 7515986), (2998, 6723774), (3427, 5882076), (3924, 5137073), (4497, 4482516), (5014, 4020318), (5364, 3757993), (5996, 3361887), (6854, 2941038), (7521, 2680212), (8994, 2241258), (10028, 2010159), (10281, 1960692), (13491, 1494172), (13708, 1470519), (15042, 1340106), (16241, 1241172), (17988, 1120629), (20562, 980346), (22563, 893404), (26982, 747086), (30084, 670053), (30843, 653564), (32482, 620586), (34477, 584676), (41124, 490173), (45126, 446702), (48723, 413724), (53964, 373543), (61686, 326782), (64964, 310293), (68954, 292338), (90252, 223351), (97446, 206862), (103431, 194892), (123372, 163391), (137908, 146169)]