20185209972

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{48449}}^1$

素因数の和:48693

約数の個数: 72

約数和(自身を含む): 52060881600

約数和(自身を除く): 31875671628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 163, 213, 284, 326, 426, 489, 639, 652, 852, 978, 1278, 1467, 1956, 2556, 2934, 5868, 11573, 23146, 34719, 46292, 48449, 69438, 96898, 104157, 138876, 145347, 193796, 208314, 290694, 416628, 436041, 581388, 872082, 1744164, 3439879, 6879758, 7897187, 10319637, 13759516, 15794374, 20639274, 23691561, 30958911, 31588748, 41278548, 47383122, 61917822, 71074683, 94766244, 123835644, 142149366, 284298732, 560700277, 1121400554, 1682100831, 2242801108, 3364201662, 5046302493, 6728403324, 10092604986, 20185209972]

約数ペア:

[(1, 20185209972), (2, 10092604986), (3, 6728403324), (4, 5046302493), (6, 3364201662), (9, 2242801108), (12, 1682100831), (18, 1121400554), (36, 560700277), (71, 284298732), (142, 142149366), (163, 123835644), (213, 94766244), (284, 71074683), (326, 61917822), (426, 47383122), (489, 41278548), (639, 31588748), (652, 30958911), (852, 23691561), (978, 20639274), (1278, 15794374), (1467, 13759516), (1956, 10319637), (2556, 7897187), (2934, 6879758), (5868, 3439879), (11573, 1744164), (23146, 872082), (34719, 581388), (46292, 436041), (48449, 416628), (69438, 290694), (96898, 208314), (104157, 193796), (138876, 145347)]