20805650940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1073563}}^1$

素因数の和:1073611

約数の個数: 96

約数和(自身を含む): 64929150720

約数和(自身を除く): 44123499780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1615, 1938, 3230, 3876, 4845, 6460, 9690, 19380, 1073563, 2147126, 3220689, 4294252, 5367815, 6441378, 10735630, 12882756, 16103445, 18250571, 20397697, 21471260, 32206890, 36501142, 40795394, 54751713, 61193091, 64413780, 73002284, 81590788, 91252855, 101988485, 109503426, 122386182, 182505710, 203976970, 219006852, 244772364, 273758565, 305965455, 346760849, 365011420, 407953940, 547517130, 611930910, 693521698, 1040282547, 1095034260, 1223861820, 1387043396, 1733804245, 2080565094, 3467608490, 4161130188, 5201412735, 6935216980, 10402825470, 20805650940]

約数ペア:

[(1, 20805650940), (2, 10402825470), (3, 6935216980), (4, 5201412735), (5, 4161130188), (6, 3467608490), (10, 2080565094), (12, 1733804245), (15, 1387043396), (17, 1223861820), (19, 1095034260), (20, 1040282547), (30, 693521698), (34, 611930910), (38, 547517130), (51, 407953940), (57, 365011420), (60, 346760849), (68, 305965455), (76, 273758565), (85, 244772364), (95, 219006852), (102, 203976970), (114, 182505710), (170, 122386182), (190, 109503426), (204, 101988485), (228, 91252855), (255, 81590788), (285, 73002284), (323, 64413780), (340, 61193091), (380, 54751713), (510, 40795394), (570, 36501142), (646, 32206890), (969, 21471260), (1020, 20397697), (1140, 18250571), (1292, 16103445), (1615, 12882756), (1938, 10735630), (3230, 6441378), (3876, 5367815), (4845, 4294252), (6460, 3220689), (9690, 2147126), (19380, 1073563)]