20123366928

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{457183}}^1$

素因数の和:457332

約数の個数: 80

約数和(自身を含む): 59865501696

約数和(自身を除く): 39742134768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 131, 168, 262, 336, 393, 524, 786, 917, 1048, 1572, 1834, 2096, 2751, 3144, 3668, 5502, 6288, 7336, 11004, 14672, 22008, 44016, 457183, 914366, 1371549, 1828732, 2743098, 3200281, 3657464, 5486196, 6400562, 7314928, 9600843, 10972392, 12801124, 19201686, 21944784, 25602248, 38403372, 51204496, 59890973, 76806744, 119781946, 153613488, 179672919, 239563892, 359345838, 419236811, 479127784, 718691676, 838473622, 958255568, 1257710433, 1437383352, 1676947244, 2515420866, 2874766704, 3353894488, 5030841732, 6707788976, 10061683464, 20123366928]

約数ペア:

[(1, 20123366928), (2, 10061683464), (3, 6707788976), (4, 5030841732), (6, 3353894488), (7, 2874766704), (8, 2515420866), (12, 1676947244), (14, 1437383352), (16, 1257710433), (21, 958255568), (24, 838473622), (28, 718691676), (42, 479127784), (48, 419236811), (56, 359345838), (84, 239563892), (112, 179672919), (131, 153613488), (168, 119781946), (262, 76806744), (336, 59890973), (393, 51204496), (524, 38403372), (786, 25602248), (917, 21944784), (1048, 19201686), (1572, 12801124), (1834, 10972392), (2096, 9600843), (2751, 7314928), (3144, 6400562), (3668, 5486196), (5502, 3657464), (6288, 3200281), (7336, 2743098), (11004, 1828732), (14672, 1371549), (22008, 914366), (44016, 457183)]