20171488340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1\times {\mathrm{613}}^1$

素因数の和:1209

約数の個数: 96

約数和(自身を含む): 44034350976

約数和(自身を除く): 23862862636

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 172, 215, 332, 415, 430, 461, 613, 830, 860, 922, 1226, 1660, 1844, 2305, 2452, 3065, 3569, 4610, 6130, 7138, 9220, 12260, 14276, 17845, 19823, 26359, 35690, 38263, 39646, 50879, 52718, 71380, 76526, 79292, 99115, 101758, 105436, 131795, 153052, 191315, 198230, 203516, 254395, 263590, 282593, 382630, 396460, 508790, 527180, 565186, 765260, 1017580, 1130372, 1412965, 1645309, 2187797, 2825930, 3290618, 4375594, 5651860, 6581236, 8226545, 8751188, 10938985, 12151499, 16453090, 21877970, 23455219, 24302998, 32906180, 43755940, 46910438, 48605996, 60757495, 93820876, 117276095, 121514990, 234552190, 243029980, 469104380, 1008574417, 2017148834, 4034297668, 5042872085, 10085744170, 20171488340]

約数ペア:

[(1, 20171488340), (2, 10085744170), (4, 5042872085), (5, 4034297668), (10, 2017148834), (20, 1008574417), (43, 469104380), (83, 243029980), (86, 234552190), (166, 121514990), (172, 117276095), (215, 93820876), (332, 60757495), (415, 48605996), (430, 46910438), (461, 43755940), (613, 32906180), (830, 24302998), (860, 23455219), (922, 21877970), (1226, 16453090), (1660, 12151499), (1844, 10938985), (2305, 8751188), (2452, 8226545), (3065, 6581236), (3569, 5651860), (4610, 4375594), (6130, 3290618), (7138, 2825930), (9220, 2187797), (12260, 1645309), (14276, 1412965), (17845, 1130372), (19823, 1017580), (26359, 765260), (35690, 565186), (38263, 527180), (39646, 508790), (50879, 396460), (52718, 382630), (71380, 282593), (76526, 263590), (79292, 254395), (99115, 203516), (101758, 198230), (105436, 191315), (131795, 153052)]