20459010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:304

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 40504830

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 19, 22, 26, 30, 33, 38, 39, 55, 57, 65, 66, 78, 95, 110, 114, 130, 143, 165, 190, 195, 209, 247, 251, 285, 286, 330, 390, 418, 429, 494, 502, 570, 627, 715, 741, 753, 858, 1045, 1235, 1254, 1255, 1430, 1482, 1506, 2090, 2145, 2470, 2510, 2717, 2761, 3135, 3263, 3705, 3765, 4290, 4769, 5434, 5522, 6270, 6526, 7410, 7530, 8151, 8283, 9538, 9789, 13585, 13805, 14307, 16302, 16315, 16566, 19578, 23845, 27170, 27610, 28614, 32630, 35893, 40755, 41415, 47690, 48945, 52459, 61997, 71535, 71786, 81510, 82830, 97890, 104918, 107679, 123994, 143070, 157377, 179465, 185991, 215358, 262295, 309985, 314754, 358930, 371982, 524590, 538395, 619970, 681967, 786885, 929955, 1076790, 1363934, 1573770, 1859910, 2045901, 3409835, 4091802, 6819670, 10229505, 20459010]

約数ペア:

[(1, 20459010), (2, 10229505), (3, 6819670), (5, 4091802), (6, 3409835), (10, 2045901), (11, 1859910), (13, 1573770), (15, 1363934), (19, 1076790), (22, 929955), (26, 786885), (30, 681967), (33, 619970), (38, 538395), (39, 524590), (55, 371982), (57, 358930), (65, 314754), (66, 309985), (78, 262295), (95, 215358), (110, 185991), (114, 179465), (130, 157377), (143, 143070), (165, 123994), (190, 107679), (195, 104918), (209, 97890), (247, 82830), (251, 81510), (285, 71786), (286, 71535), (330, 61997), (390, 52459), (418, 48945), (429, 47690), (494, 41415), (502, 40755), (570, 35893), (627, 32630), (715, 28614), (741, 27610), (753, 27170), (858, 23845), (1045, 19578), (1235, 16566), (1254, 16315), (1255, 16302), (1430, 14307), (1482, 13805), (1506, 13585), (2090, 9789), (2145, 9538), (2470, 8283), (2510, 8151), (2717, 7530), (2761, 7410), (3135, 6526), (3263, 6270), (3705, 5522), (3765, 5434), (4290, 4769)]