20888965470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{1171}}^1$

素因数の和:1558

約数の個数: 128

約数和(自身を含む): 53076860928

約数和(自身を除く): 32187895458

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 103, 115, 138, 206, 230, 251, 309, 345, 502, 515, 618, 690, 753, 1030, 1171, 1255, 1506, 1545, 2342, 2369, 2510, 3090, 3513, 3765, 4738, 5773, 5855, 7026, 7107, 7530, 11546, 11710, 11845, 14214, 17319, 17565, 23690, 25853, 26933, 28865, 34638, 35130, 35535, 51706, 53866, 57730, 71070, 77559, 80799, 86595, 120613, 129265, 134665, 155118, 161598, 173190, 241226, 258530, 269330, 293921, 361839, 387795, 403995, 587842, 594619, 603065, 723678, 775590, 807990, 881763, 1189238, 1206130, 1469605, 1763526, 1783857, 1809195, 2774099, 2939210, 2973095, 3567714, 3618390, 4408815, 5548198, 5946190, 6760183, 8322297, 8817630, 8919285, 13520366, 13870495, 16644594, 17838570, 20280549, 27740990, 30273863, 33800915, 40561098, 41611485, 60547726, 67601830, 83222970, 90821589, 101402745, 151369315, 181643178, 202805490, 302738630, 454107945, 696298849, 908215890, 1392597698, 2088896547, 3481494245, 4177793094, 6962988490, 10444482735, 20888965470]

約数ペア:

[(1, 20888965470), (2, 10444482735), (3, 6962988490), (5, 4177793094), (6, 3481494245), (10, 2088896547), (15, 1392597698), (23, 908215890), (30, 696298849), (46, 454107945), (69, 302738630), (103, 202805490), (115, 181643178), (138, 151369315), (206, 101402745), (230, 90821589), (251, 83222970), (309, 67601830), (345, 60547726), (502, 41611485), (515, 40561098), (618, 33800915), (690, 30273863), (753, 27740990), (1030, 20280549), (1171, 17838570), (1255, 16644594), (1506, 13870495), (1545, 13520366), (2342, 8919285), (2369, 8817630), (2510, 8322297), (3090, 6760183), (3513, 5946190), (3765, 5548198), (4738, 4408815), (5773, 3618390), (5855, 3567714), (7026, 2973095), (7107, 2939210), (7530, 2774099), (11546, 1809195), (11710, 1783857), (11845, 1763526), (14214, 1469605), (17319, 1206130), (17565, 1189238), (23690, 881763), (25853, 807990), (26933, 775590), (28865, 723678), (34638, 603065), (35130, 594619), (35535, 587842), (51706, 403995), (53866, 387795), (57730, 361839), (71070, 293921), (77559, 269330), (80799, 258530), (86595, 241226), (120613, 173190), (129265, 161598), (134665, 155118)]