20985804090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4961183}}^1$

素因数の和:4961243

約数の個数: 48

約数和(自身を含む): 55724018688

約数和(自身を除く): 34738214598

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 4961183, 9922366, 14883549, 24805915, 29767098, 44650647, 49611830, 74417745, 89301294, 148835490, 223253235, 233175601, 446506470, 466351202, 699526803, 1165878005, 1399053606, 2098580409, 2331756010, 3497634015, 4197160818, 6995268030, 10492902045, 20985804090]

約数ペア:

[(1, 20985804090), (2, 10492902045), (3, 6995268030), (5, 4197160818), (6, 3497634015), (9, 2331756010), (10, 2098580409), (15, 1399053606), (18, 1165878005), (30, 699526803), (45, 466351202), (47, 446506470), (90, 233175601), (94, 223253235), (141, 148835490), (235, 89301294), (282, 74417745), (423, 49611830), (470, 44650647), (705, 29767098), (846, 24805915), (1410, 14883549), (2115, 9922366), (4230, 4961183)]