20787304890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1\times {\mathrm{1567}}^1$

素因数の和:2308

約数の個数: 128

約数和(自身を含む): 55436451840

約数和(自身を除く): 34649146950

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 61, 66, 110, 122, 165, 183, 305, 330, 366, 610, 659, 671, 915, 1318, 1342, 1567, 1830, 1977, 2013, 3134, 3295, 3355, 3954, 4026, 4701, 6590, 6710, 7249, 7835, 9402, 9885, 10065, 14498, 15670, 17237, 19770, 20130, 21747, 23505, 34474, 36245, 40199, 43494, 47010, 51711, 72490, 80398, 86185, 95587, 103422, 108735, 120597, 172370, 191174, 200995, 217470, 241194, 258555, 286761, 401990, 442189, 477935, 517110, 573522, 602985, 884378, 955870, 1032653, 1051457, 1205970, 1326567, 1433805, 2065306, 2102914, 2210945, 2653134, 2867610, 3097959, 3154371, 4421890, 5163265, 5257285, 6195918, 6308742, 6632835, 10326530, 10514570, 11359183, 13265670, 15489795, 15771855, 22718366, 30979590, 31543710, 34077549, 56795915, 62991833, 68155098, 113591830, 125983666, 170387745, 188975499, 314959165, 340775490, 377950998, 629918330, 692910163, 944877495, 1385820326, 1889754990, 2078730489, 3464550815, 4157460978, 6929101630, 10393652445, 20787304890]

約数ペア:

[(1, 20787304890), (2, 10393652445), (3, 6929101630), (5, 4157460978), (6, 3464550815), (10, 2078730489), (11, 1889754990), (15, 1385820326), (22, 944877495), (30, 692910163), (33, 629918330), (55, 377950998), (61, 340775490), (66, 314959165), (110, 188975499), (122, 170387745), (165, 125983666), (183, 113591830), (305, 68155098), (330, 62991833), (366, 56795915), (610, 34077549), (659, 31543710), (671, 30979590), (915, 22718366), (1318, 15771855), (1342, 15489795), (1567, 13265670), (1830, 11359183), (1977, 10514570), (2013, 10326530), (3134, 6632835), (3295, 6308742), (3355, 6195918), (3954, 5257285), (4026, 5163265), (4701, 4421890), (6590, 3154371), (6710, 3097959), (7249, 2867610), (7835, 2653134), (9402, 2210945), (9885, 2102914), (10065, 2065306), (14498, 1433805), (15670, 1326567), (17237, 1205970), (19770, 1051457), (20130, 1032653), (21747, 955870), (23505, 884378), (34474, 602985), (36245, 573522), (40199, 517110), (43494, 477935), (47010, 442189), (51711, 401990), (72490, 286761), (80398, 258555), (86185, 241194), (95587, 217470), (103422, 200995), (108735, 191174), (120597, 172370)]