20235340260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{621097}}^1$

素因数の和:621293

約数の個数: 72

約数和(自身を含む): 61719750456

約数和(自身を除く): 41484410196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 6516, 8145, 10860, 16290, 32580, 621097, 1242194, 1863291, 2484388, 3105485, 3726582, 5589873, 6210970, 7453164, 9316455, 11179746, 12421940, 18632910, 22359492, 27949365, 37265820, 55898730, 111797460, 112418557, 224837114, 337255671, 449674228, 562092785, 674511342, 1011767013, 1124185570, 1349022684, 1686278355, 2023534026, 2248371140, 3372556710, 4047068052, 5058835065, 6745113420, 10117670130, 20235340260]

約数ペア:

[(1, 20235340260), (2, 10117670130), (3, 6745113420), (4, 5058835065), (5, 4047068052), (6, 3372556710), (9, 2248371140), (10, 2023534026), (12, 1686278355), (15, 1349022684), (18, 1124185570), (20, 1011767013), (30, 674511342), (36, 562092785), (45, 449674228), (60, 337255671), (90, 224837114), (180, 112418557), (181, 111797460), (362, 55898730), (543, 37265820), (724, 27949365), (905, 22359492), (1086, 18632910), (1629, 12421940), (1810, 11179746), (2172, 9316455), (2715, 7453164), (3258, 6210970), (3620, 5589873), (5430, 3726582), (6516, 3105485), (8145, 2484388), (10860, 1863291), (16290, 1242194), (32580, 621097)]