20065440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2459}}^1$

素因数の和:2494

約数の個数: 96

約数和(自身を含む): 66951360

約数和(自身を除く): 46885920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2459, 2720, 4080, 4918, 7377, 8160, 9836, 12295, 14754, 19672, 24590, 29508, 36885, 39344, 41803, 49180, 59016, 73770, 78688, 83606, 98360, 118032, 125409, 147540, 167212, 196720, 209015, 236064, 250818, 295080, 334424, 393440, 418030, 501636, 590160, 627045, 668848, 836060, 1003272, 1180320, 1254090, 1337696, 1672120, 2006544, 2508180, 3344240, 4013088, 5016360, 6688480, 10032720, 20065440]

約数ペア:

[(1, 20065440), (2, 10032720), (3, 6688480), (4, 5016360), (5, 4013088), (6, 3344240), (8, 2508180), (10, 2006544), (12, 1672120), (15, 1337696), (16, 1254090), (17, 1180320), (20, 1003272), (24, 836060), (30, 668848), (32, 627045), (34, 590160), (40, 501636), (48, 418030), (51, 393440), (60, 334424), (68, 295080), (80, 250818), (85, 236064), (96, 209015), (102, 196720), (120, 167212), (136, 147540), (160, 125409), (170, 118032), (204, 98360), (240, 83606), (255, 78688), (272, 73770), (340, 59016), (408, 49180), (480, 41803), (510, 39344), (544, 36885), (680, 29508), (816, 24590), (1020, 19672), (1360, 14754), (1632, 12295), (2040, 9836), (2459, 8160), (2720, 7377), (4080, 4918)]