20199751890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1\times {\mathrm{20183}}^1$

素因数の和:20723

約数の個数: 64

約数和(自身を含む): 49253481216

約数和(自身を除く): 29053729326

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 457, 730, 914, 1095, 1371, 2190, 2285, 2742, 4570, 6855, 13710, 20183, 33361, 40366, 60549, 66722, 100083, 100915, 121098, 166805, 200166, 201830, 302745, 333610, 500415, 605490, 1000830, 1473359, 2946718, 4420077, 7366795, 8840154, 9223631, 14733590, 18447262, 22100385, 27670893, 44200770, 46118155, 55341786, 92236310, 138354465, 276708930, 673325063, 1346650126, 2019975189, 3366625315, 4039950378, 6733250630, 10099875945, 20199751890]

約数ペア:

[(1, 20199751890), (2, 10099875945), (3, 6733250630), (5, 4039950378), (6, 3366625315), (10, 2019975189), (15, 1346650126), (30, 673325063), (73, 276708930), (146, 138354465), (219, 92236310), (365, 55341786), (438, 46118155), (457, 44200770), (730, 27670893), (914, 22100385), (1095, 18447262), (1371, 14733590), (2190, 9223631), (2285, 8840154), (2742, 7366795), (4570, 4420077), (6855, 2946718), (13710, 1473359), (20183, 1000830), (33361, 605490), (40366, 500415), (60549, 333610), (66722, 302745), (100083, 201830), (100915, 200166), (121098, 166805)]