20166045848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1637}}^1\times {\mathrm{3821}}^1$

素因数の和:5508

約数の個数: 64

約数和(自身を含む): 42070129920

約数和(自身を除く): 21904084072

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 1637, 3224, 3274, 3821, 6548, 7642, 13096, 15284, 21281, 30568, 42562, 49673, 50747, 85124, 99346, 101494, 118451, 170248, 198692, 202988, 236902, 397384, 405976, 473804, 659711, 947608, 1319422, 1539863, 2638844, 3079726, 5277688, 6159452, 6254977, 12318904, 12509954, 25019908, 50039816, 81314701, 162629402, 193904287, 325258804, 387808574, 650517608, 775617148, 1551234296, 2520755731, 5041511462, 10083022924, 20166045848]

約数ペア:

[(1, 20166045848), (2, 10083022924), (4, 5041511462), (8, 2520755731), (13, 1551234296), (26, 775617148), (31, 650517608), (52, 387808574), (62, 325258804), (104, 193904287), (124, 162629402), (248, 81314701), (403, 50039816), (806, 25019908), (1612, 12509954), (1637, 12318904), (3224, 6254977), (3274, 6159452), (3821, 5277688), (6548, 3079726), (7642, 2638844), (13096, 1539863), (15284, 1319422), (21281, 947608), (30568, 659711), (42562, 473804), (49673, 405976), (50747, 397384), (85124, 236902), (99346, 202988), (101494, 198692), (118451, 170248)]