20154933460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1\times {\mathrm{41017}}^1$

素因数の和:41416

約数の個数: 48

約数和(自身を含む): 42999989760

約数和(自身を除く): 22845056300

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 311, 316, 395, 622, 790, 1244, 1555, 1580, 3110, 6220, 24569, 41017, 49138, 82034, 98276, 122845, 164068, 205085, 245690, 410170, 491380, 820340, 3240343, 6480686, 12756287, 12961372, 16201715, 25512574, 32403430, 51025148, 63781435, 64806860, 127562870, 255125740, 1007746673, 2015493346, 4030986692, 5038733365, 10077466730, 20154933460]

約数ペア:

[(1, 20154933460), (2, 10077466730), (4, 5038733365), (5, 4030986692), (10, 2015493346), (20, 1007746673), (79, 255125740), (158, 127562870), (311, 64806860), (316, 63781435), (395, 51025148), (622, 32403430), (790, 25512574), (1244, 16201715), (1555, 12961372), (1580, 12756287), (3110, 6480686), (6220, 3240343), (24569, 820340), (41017, 491380), (49138, 410170), (82034, 245690), (98276, 205085), (122845, 164068)]