20186480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14843}}^1$

素因数の和:14873

約数の個数: 40

約数和(自身を含む): 49697712

約数和(自身を除く): 29511232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14843, 29686, 59372, 74215, 118744, 148430, 237488, 252331, 296860, 504662, 593720, 1009324, 1187440, 1261655, 2018648, 2523310, 4037296, 5046620, 10093240, 20186480]

約数ペア:

[(1, 20186480), (2, 10093240), (4, 5046620), (5, 4037296), (8, 2523310), (10, 2018648), (16, 1261655), (17, 1187440), (20, 1009324), (34, 593720), (40, 504662), (68, 296860), (80, 252331), (85, 237488), (136, 148430), (170, 118744), (272, 74215), (340, 59372), (680, 29686), (1360, 14843)]