20199088390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2131}}^1\times {\mathrm{4289}}^1$

素因数の和:6457

約数の個数: 64

約数和(自身を含む): 41487526080

約数和(自身を除く): 21288437690

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2131, 2210, 4262, 4289, 8578, 10655, 21310, 21445, 27703, 36227, 42890, 55406, 55757, 72454, 72913, 111514, 138515, 145826, 181135, 277030, 278785, 362270, 364565, 470951, 557570, 729130, 941902, 947869, 1895738, 2354755, 4709510, 4739345, 9139859, 9478690, 18279718, 45699295, 91398590, 118818167, 155377603, 237636334, 310755206, 594090835, 776888015, 1188181670, 1553776030, 2019908839, 4039817678, 10099544195, 20199088390]

約数ペア:

[(1, 20199088390), (2, 10099544195), (5, 4039817678), (10, 2019908839), (13, 1553776030), (17, 1188181670), (26, 776888015), (34, 594090835), (65, 310755206), (85, 237636334), (130, 155377603), (170, 118818167), (221, 91398590), (442, 45699295), (1105, 18279718), (2131, 9478690), (2210, 9139859), (4262, 4739345), (4289, 4709510), (8578, 2354755), (10655, 1895738), (21310, 947869), (21445, 941902), (27703, 729130), (36227, 557570), (42890, 470951), (55406, 364565), (55757, 362270), (72454, 278785), (72913, 277030), (111514, 181135), (138515, 145826)]