20174240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7417}}^1$

素因数の和:7449

約数の個数: 48

約数和(自身を含む): 50472072

約数和(自身を除く): 30297832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 7417, 14834, 29668, 37085, 59336, 74170, 118672, 126089, 148340, 237344, 252178, 296680, 504356, 593360, 630445, 1008712, 1186720, 1260890, 2017424, 2521780, 4034848, 5043560, 10087120, 20174240]

約数ペア:

[(1, 20174240), (2, 10087120), (4, 5043560), (5, 4034848), (8, 2521780), (10, 2017424), (16, 1260890), (17, 1186720), (20, 1008712), (32, 630445), (34, 593360), (40, 504356), (68, 296680), (80, 252178), (85, 237344), (136, 148340), (160, 126089), (170, 118672), (272, 74170), (340, 59336), (544, 37085), (680, 29668), (1360, 14834), (2720, 7417)]