20996870430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{385193}}^1$

素因数の和:385305

約数の個数: 64

約数和(自身を含む): 53249218560

約数和(自身を除く): 32252348130

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 79, 115, 138, 158, 230, 237, 345, 395, 474, 690, 790, 1185, 1817, 2370, 3634, 5451, 9085, 10902, 18170, 27255, 54510, 385193, 770386, 1155579, 1925965, 2311158, 3851930, 5777895, 8859439, 11555790, 17718878, 26578317, 30430247, 44297195, 53156634, 60860494, 88594390, 91290741, 132891585, 152151235, 182581482, 265783170, 304302470, 456453705, 699895681, 912907410, 1399791362, 2099687043, 3499478405, 4199374086, 6998956810, 10498435215, 20996870430]

約数ペア:

[(1, 20996870430), (2, 10498435215), (3, 6998956810), (5, 4199374086), (6, 3499478405), (10, 2099687043), (15, 1399791362), (23, 912907410), (30, 699895681), (46, 456453705), (69, 304302470), (79, 265783170), (115, 182581482), (138, 152151235), (158, 132891585), (230, 91290741), (237, 88594390), (345, 60860494), (395, 53156634), (474, 44297195), (690, 30430247), (790, 26578317), (1185, 17718878), (1817, 11555790), (2370, 8859439), (3634, 5777895), (5451, 3851930), (9085, 2311158), (10902, 1925965), (18170, 1155579), (27255, 770386), (54510, 385193)]