20199774815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:912

約数の個数: 64

約数和(自身を含む): 27566161920

約数和(自身を除く): 7366387105

約数列:

[1, 5, 11, 43, 55, 109, 127, 215, 473, 545, 617, 635, 1199, 1397, 2365, 3085, 4687, 5461, 5995, 6787, 6985, 13843, 23435, 26531, 27305, 33935, 51557, 60071, 67253, 69215, 78359, 132655, 152273, 257785, 291841, 300355, 336265, 391795, 595249, 739783, 761365, 861949, 1459205, 2891879, 2976245, 3369437, 3698915, 4309745, 6547739, 8541131, 14459395, 16847185, 31810669, 32738695, 37063807, 42705655, 93952441, 159053345, 185319035, 367268633, 469762205, 1836343165, 4039954963, 20199774815]

約数ペア:

[(1, 20199774815), (5, 4039954963), (11, 1836343165), (43, 469762205), (55, 367268633), (109, 185319035), (127, 159053345), (215, 93952441), (473, 42705655), (545, 37063807), (617, 32738695), (635, 31810669), (1199, 16847185), (1397, 14459395), (2365, 8541131), (3085, 6547739), (4687, 4309745), (5461, 3698915), (5995, 3369437), (6787, 2976245), (6985, 2891879), (13843, 1459205), (23435, 861949), (26531, 761365), (27305, 739783), (33935, 595249), (51557, 391795), (60071, 336265), (67253, 300355), (69215, 291841), (78359, 257785), (132655, 152273)]