20007269570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{479}}^1\times {\mathrm{887}}^1$

素因数の和:1667

約数の個数: 64

約数和(自身を含む): 38392289280

約数和(自身を除く): 18385019710

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 277, 479, 554, 887, 958, 1385, 1774, 2395, 2770, 4435, 4709, 4790, 8143, 8870, 9418, 15079, 16286, 23545, 30158, 40715, 47090, 75395, 81430, 132683, 150790, 245699, 265366, 424873, 491398, 663415, 849746, 1228495, 1326830, 2124365, 2255611, 2456990, 4176883, 4248730, 4511222, 7222841, 8353766, 11278055, 14445682, 20884415, 22556110, 36114205, 41768830, 72228410, 117689821, 235379642, 588449105, 1176898210, 2000726957, 4001453914, 10003634785, 20007269570]

約数ペア:

[(1, 20007269570), (2, 10003634785), (5, 4001453914), (10, 2000726957), (17, 1176898210), (34, 588449105), (85, 235379642), (170, 117689821), (277, 72228410), (479, 41768830), (554, 36114205), (887, 22556110), (958, 20884415), (1385, 14445682), (1774, 11278055), (2395, 8353766), (2770, 7222841), (4435, 4511222), (4709, 4248730), (4790, 4176883), (8143, 2456990), (8870, 2255611), (9418, 2124365), (15079, 1326830), (16286, 1228495), (23545, 849746), (30158, 663415), (40715, 491398), (47090, 424873), (75395, 265366), (81430, 245699), (132683, 150790)]