20132458840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{61357}}^1$

素因数の和:62012

約数の個数: 64

約数和(自身を含む): 48860602560

約数和(自身を除く): 28728143720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 631, 1262, 2524, 3155, 5048, 6310, 8203, 12620, 16406, 25240, 32812, 41015, 61357, 65624, 82030, 122714, 164060, 245428, 306785, 328120, 490856, 613570, 797641, 1227140, 1595282, 2454280, 3190564, 3988205, 6381128, 7976410, 15952820, 31905640, 38716267, 77432534, 154865068, 193581335, 309730136, 387162670, 503311471, 774325340, 1006622942, 1548650680, 2013245884, 2516557355, 4026491768, 5033114710, 10066229420, 20132458840]

約数ペア:

[(1, 20132458840), (2, 10066229420), (4, 5033114710), (5, 4026491768), (8, 2516557355), (10, 2013245884), (13, 1548650680), (20, 1006622942), (26, 774325340), (40, 503311471), (52, 387162670), (65, 309730136), (104, 193581335), (130, 154865068), (260, 77432534), (520, 38716267), (631, 31905640), (1262, 15952820), (2524, 7976410), (3155, 6381128), (5048, 3988205), (6310, 3190564), (8203, 2454280), (12620, 1595282), (16406, 1227140), (25240, 797641), (32812, 613570), (41015, 490856), (61357, 328120), (65624, 306785), (82030, 245428), (122714, 164060)]