20317830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{883}}^1$

素因数の和:965

約数の個数: 64

約数和(自身を含む): 53464320

約数和(自身を除く): 33146490

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 59, 65, 78, 118, 130, 177, 195, 295, 354, 390, 590, 767, 883, 885, 1534, 1766, 1770, 2301, 2649, 3835, 4415, 4602, 5298, 7670, 8830, 11479, 11505, 13245, 22958, 23010, 26490, 34437, 52097, 57395, 68874, 104194, 114790, 156291, 172185, 260485, 312582, 344370, 520970, 677261, 781455, 1354522, 1562910, 2031783, 3386305, 4063566, 6772610, 10158915, 20317830]

約数ペア:

[(1, 20317830), (2, 10158915), (3, 6772610), (5, 4063566), (6, 3386305), (10, 2031783), (13, 1562910), (15, 1354522), (26, 781455), (30, 677261), (39, 520970), (59, 344370), (65, 312582), (78, 260485), (118, 172185), (130, 156291), (177, 114790), (195, 104194), (295, 68874), (354, 57395), (390, 52097), (590, 34437), (767, 26490), (883, 23010), (885, 22958), (1534, 13245), (1766, 11505), (1770, 11479), (2301, 8830), (2649, 7670), (3835, 5298), (4415, 4602)]