20804938402

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1\times {\mathrm{1307}}^1$

素因数の和:1987

約数の個数: 64

約数和(自身を含む): 35717189760

約数和(自身を除く): 14912251358

約数列:

[1, 2, 17, 19, 34, 38, 41, 82, 323, 601, 646, 697, 779, 1202, 1307, 1394, 1558, 2614, 10217, 11419, 13243, 20434, 22219, 22838, 24641, 24833, 26486, 44438, 49282, 49666, 53587, 107174, 194123, 388246, 418897, 422161, 468179, 785507, 837794, 844322, 910979, 936358, 1018153, 1571014, 1821958, 2036306, 7959043, 13353619, 14924633, 15918086, 17308601, 26707238, 29849266, 32205787, 34617202, 64411574, 253718761, 507437522, 547498379, 611909953, 1094996758, 1223819906, 10402469201, 20804938402]

約数ペア:

[(1, 20804938402), (2, 10402469201), (17, 1223819906), (19, 1094996758), (34, 611909953), (38, 547498379), (41, 507437522), (82, 253718761), (323, 64411574), (601, 34617202), (646, 32205787), (697, 29849266), (779, 26707238), (1202, 17308601), (1307, 15918086), (1394, 14924633), (1558, 13353619), (2614, 7959043), (10217, 2036306), (11419, 1821958), (13243, 1571014), (20434, 1018153), (22219, 936358), (22838, 910979), (24641, 844322), (24833, 837794), (26486, 785507), (44438, 468179), (49282, 422161), (49666, 418897), (53587, 388246), (107174, 194123)]