20216508536

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{6521}}^1$

素因数の和:6669

約数の個数: 128

約数和(自身を含む): 47334067200

約数和(自身を除く): 27117558664

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 29, 46, 56, 58, 83, 92, 116, 161, 166, 184, 203, 232, 322, 332, 406, 581, 644, 664, 667, 812, 1162, 1288, 1334, 1624, 1909, 2324, 2407, 2668, 3818, 4648, 4669, 4814, 5336, 6521, 7636, 9338, 9628, 13042, 13363, 15272, 16849, 18676, 19256, 26084, 26726, 33698, 37352, 45647, 52168, 53452, 55361, 67396, 91294, 106904, 110722, 134792, 149983, 182588, 189109, 221444, 299966, 365176, 378218, 387527, 442888, 541243, 599932, 756436, 775054, 1049881, 1082486, 1199864, 1323763, 1512872, 1550108, 2099762, 2164972, 2647526, 3100216, 3788701, 4199524, 4329944, 4349507, 5295052, 7577402, 8399048, 8699014, 10590104, 12448589, 15154804, 15696047, 17398028, 24897178, 30309608, 30446549, 31392094, 34796056, 49794356, 60893098, 62784188, 87140123, 99588712, 109872329, 121786196, 125568376, 174280246, 219744658, 243572392, 348560492, 361009081, 439489316, 697120984, 722018162, 878978632, 1444036324, 2527063567, 2888072648, 5054127134, 10108254268, 20216508536]

約数ペア:

[(1, 20216508536), (2, 10108254268), (4, 5054127134), (7, 2888072648), (8, 2527063567), (14, 1444036324), (23, 878978632), (28, 722018162), (29, 697120984), (46, 439489316), (56, 361009081), (58, 348560492), (83, 243572392), (92, 219744658), (116, 174280246), (161, 125568376), (166, 121786196), (184, 109872329), (203, 99588712), (232, 87140123), (322, 62784188), (332, 60893098), (406, 49794356), (581, 34796056), (644, 31392094), (664, 30446549), (667, 30309608), (812, 24897178), (1162, 17398028), (1288, 15696047), (1334, 15154804), (1624, 12448589), (1909, 10590104), (2324, 8699014), (2407, 8399048), (2668, 7577402), (3818, 5295052), (4648, 4349507), (4669, 4329944), (4814, 4199524), (5336, 3788701), (6521, 3100216), (7636, 2647526), (9338, 2164972), (9628, 2099762), (13042, 1550108), (13363, 1512872), (15272, 1323763), (16849, 1199864), (18676, 1082486), (19256, 1049881), (26084, 775054), (26726, 756436), (33698, 599932), (37352, 541243), (45647, 442888), (52168, 387527), (53452, 378218), (55361, 365176), (67396, 299966), (91294, 221444), (106904, 189109), (110722, 182588), (134792, 149983)]