20921456300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12306739}}^1$

素因数の和:12306770

約数の個数: 36

約数和(自身を含む): 48070126440

約数和(自身を除く): 27148670140

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12306739, 24613478, 49226956, 61533695, 123067390, 209214563, 246134780, 307668475, 418429126, 615336950, 836858252, 1046072815, 1230673900, 2092145630, 4184291260, 5230364075, 10460728150, 20921456300]

約数ペア:

[(1, 20921456300), (2, 10460728150), (4, 5230364075), (5, 4184291260), (10, 2092145630), (17, 1230673900), (20, 1046072815), (25, 836858252), (34, 615336950), (50, 418429126), (68, 307668475), (85, 246134780), (100, 209214563), (170, 123067390), (340, 61533695), (425, 49226956), (850, 24613478), (1700, 12306739)]