20713890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22273}}^1$

素因数の和:22314

約数の個数: 32

約数和(自身を含む): 51319296

約数和(自身を除く): 30605406

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22273, 44546, 66819, 111365, 133638, 222730, 334095, 668190, 690463, 1380926, 2071389, 3452315, 4142778, 6904630, 10356945, 20713890]

約数ペア:

[(1, 20713890), (2, 10356945), (3, 6904630), (5, 4142778), (6, 3452315), (10, 2071389), (15, 1380926), (30, 690463), (31, 668190), (62, 334095), (93, 222730), (155, 133638), (186, 111365), (310, 66819), (465, 44546), (930, 22273)]