20005978672670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{62119}}^1\times {\mathrm{89213}}^1$

素因数の和:151377

約数の個数: 48

約数和(自身を含む): 38006855497440

約数和(自身を除く): 18000876824770

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 62119, 89213, 124238, 178426, 310595, 446065, 621190, 892130, 1180261, 1695047, 2360522, 3390094, 5901305, 8475235, 11802610, 16950470, 22424959, 32205893, 44849918, 64411786, 112124795, 161029465, 224249590, 322058930, 5541822347, 11083644694, 27709111735, 55418223470, 105294624593, 210589249186, 526473122965, 1052946245930, 2000597867267, 4001195734534, 10002989336335, 20005978672670]

約数ペア:

[(1, 20005978672670), (2, 10002989336335), (5, 4001195734534), (10, 2000597867267), (19, 1052946245930), (38, 526473122965), (95, 210589249186), (190, 105294624593), (361, 55418223470), (722, 27709111735), (1805, 11083644694), (3610, 5541822347), (62119, 322058930), (89213, 224249590), (124238, 161029465), (178426, 112124795), (310595, 64411786), (446065, 44849918), (621190, 32205893), (892130, 22424959), (1180261, 16950470), (1695047, 11802610), (2360522, 8475235), (3390094, 5901305)]