20891726832

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{2683}}^1\times {\mathrm{5233}}^1$

素因数の和:7958

約数の個数: 80

約数和(自身を含む): 55742686208

約数和(自身を除く): 34850959376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 2683, 5233, 5366, 8049, 10466, 10732, 15699, 16098, 20932, 21464, 31398, 32196, 41864, 42928, 62796, 64392, 83173, 83728, 125592, 128784, 162223, 166346, 249519, 251184, 324446, 332692, 486669, 499038, 648892, 665384, 973338, 998076, 1297784, 1330768, 1946676, 1996152, 2595568, 3893352, 3992304, 7786704, 14040139, 28080278, 42120417, 56160556, 84240834, 112321112, 168481668, 224642224, 336963336, 435244309, 673926672, 870488618, 1305732927, 1740977236, 2611465854, 3481954472, 5222931708, 6963908944, 10445863416, 20891726832]

約数ペア:

[(1, 20891726832), (2, 10445863416), (3, 6963908944), (4, 5222931708), (6, 3481954472), (8, 2611465854), (12, 1740977236), (16, 1305732927), (24, 870488618), (31, 673926672), (48, 435244309), (62, 336963336), (93, 224642224), (124, 168481668), (186, 112321112), (248, 84240834), (372, 56160556), (496, 42120417), (744, 28080278), (1488, 14040139), (2683, 7786704), (5233, 3992304), (5366, 3893352), (8049, 2595568), (10466, 1996152), (10732, 1946676), (15699, 1330768), (16098, 1297784), (20932, 998076), (21464, 973338), (31398, 665384), (32196, 648892), (41864, 499038), (42928, 486669), (62796, 332692), (64392, 324446), (83173, 251184), (83728, 249519), (125592, 166346), (128784, 162223)]