20131130420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{27751}}^1$

素因数の和:27885

約数の個数: 96

約数和(自身を含む): 46996346880

約数和(自身を除く): 26865216460

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 83, 92, 95, 115, 166, 190, 230, 332, 380, 415, 437, 460, 830, 874, 1577, 1660, 1748, 1909, 2185, 3154, 3818, 4370, 6308, 7636, 7885, 8740, 9545, 15770, 19090, 27751, 31540, 36271, 38180, 55502, 72542, 111004, 138755, 145084, 181355, 277510, 362710, 527269, 555020, 638273, 725420, 1054538, 1276546, 2109076, 2303333, 2553092, 2636345, 3191365, 4606666, 5272690, 6382730, 9213332, 10545380, 11516665, 12127187, 12765460, 23033330, 24254374, 43763327, 46066660, 48508748, 52976659, 60635935, 87526654, 105953318, 121271870, 175053308, 211906636, 218816635, 242543740, 264883295, 437633270, 529766590, 875266540, 1006556521, 1059533180, 2013113042, 4026226084, 5032782605, 10065565210, 20131130420]

約数ペア:

[(1, 20131130420), (2, 10065565210), (4, 5032782605), (5, 4026226084), (10, 2013113042), (19, 1059533180), (20, 1006556521), (23, 875266540), (38, 529766590), (46, 437633270), (76, 264883295), (83, 242543740), (92, 218816635), (95, 211906636), (115, 175053308), (166, 121271870), (190, 105953318), (230, 87526654), (332, 60635935), (380, 52976659), (415, 48508748), (437, 46066660), (460, 43763327), (830, 24254374), (874, 23033330), (1577, 12765460), (1660, 12127187), (1748, 11516665), (1909, 10545380), (2185, 9213332), (3154, 6382730), (3818, 5272690), (4370, 4606666), (6308, 3191365), (7636, 2636345), (7885, 2553092), (8740, 2303333), (9545, 2109076), (15770, 1276546), (19090, 1054538), (27751, 725420), (31540, 638273), (36271, 555020), (38180, 527269), (55502, 362710), (72542, 277510), (111004, 181355), (138755, 145084)]