20489883720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2548493}}^1$

素因数の和:2548574

約数の個数: 64

約数和(自身を含む): 62387133120

約数和(自身を除く): 41897249400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2680, 4020, 8040, 2548493, 5096986, 7645479, 10193972, 12742465, 15290958, 20387944, 25484930, 30581916, 38227395, 50969860, 61163832, 76454790, 101939720, 152909580, 170749031, 305819160, 341498062, 512247093, 682996124, 853745155, 1024494186, 1365992248, 1707490310, 2048988372, 2561235465, 3414980620, 4097976744, 5122470930, 6829961240, 10244941860, 20489883720]

約数ペア:

[(1, 20489883720), (2, 10244941860), (3, 6829961240), (4, 5122470930), (5, 4097976744), (6, 3414980620), (8, 2561235465), (10, 2048988372), (12, 1707490310), (15, 1365992248), (20, 1024494186), (24, 853745155), (30, 682996124), (40, 512247093), (60, 341498062), (67, 305819160), (120, 170749031), (134, 152909580), (201, 101939720), (268, 76454790), (335, 61163832), (402, 50969860), (536, 38227395), (670, 30581916), (804, 25484930), (1005, 20387944), (1340, 15290958), (1608, 12742465), (2010, 10193972), (2680, 7645479), (4020, 5096986), (8040, 2548493)]