20808329508

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{2161}}^1\times {\mathrm{7229}}^1$

素因数の和:9437

約数の個数: 72

約数和(自身を含む): 54052897080

約数和(自身を除く): 33244567572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 2161, 4322, 6483, 7229, 8644, 12966, 14458, 19449, 21687, 25932, 28916, 38898, 43374, 65061, 77796, 79957, 86748, 130122, 159914, 239871, 260244, 267473, 319828, 479742, 534946, 719613, 802419, 959484, 1069892, 1439226, 1604838, 2407257, 2878452, 3209676, 4814514, 9629028, 15621869, 31243738, 46865607, 62487476, 93731214, 140596821, 187462428, 281193642, 562387284, 578009153, 1156018306, 1734027459, 2312036612, 3468054918, 5202082377, 6936109836, 10404164754, 20808329508]

約数ペア:

[(1, 20808329508), (2, 10404164754), (3, 6936109836), (4, 5202082377), (6, 3468054918), (9, 2312036612), (12, 1734027459), (18, 1156018306), (36, 578009153), (37, 562387284), (74, 281193642), (111, 187462428), (148, 140596821), (222, 93731214), (333, 62487476), (444, 46865607), (666, 31243738), (1332, 15621869), (2161, 9629028), (4322, 4814514), (6483, 3209676), (7229, 2878452), (8644, 2407257), (12966, 1604838), (14458, 1439226), (19449, 1069892), (21687, 959484), (25932, 802419), (28916, 719613), (38898, 534946), (43374, 479742), (65061, 319828), (77796, 267473), (79957, 260244), (86748, 239871), (130122, 159914)]