20158950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 58139136

約数和(自身を除く): 37980186

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 73, 75, 105, 146, 150, 175, 210, 219, 263, 350, 365, 438, 511, 525, 526, 730, 789, 1022, 1050, 1095, 1315, 1533, 1578, 1825, 1841, 2190, 2555, 2630, 3066, 3650, 3682, 3945, 5110, 5475, 5523, 6575, 7665, 7890, 9205, 10950, 11046, 12775, 13150, 15330, 18410, 19199, 19725, 25550, 27615, 38325, 38398, 39450, 46025, 55230, 57597, 76650, 92050, 95995, 115194, 134393, 138075, 191990, 268786, 276150, 287985, 403179, 479975, 575970, 671965, 806358, 959950, 1343930, 1439925, 2015895, 2879850, 3359825, 4031790, 6719650, 10079475, 20158950]

約数ペア:

[(1, 20158950), (2, 10079475), (3, 6719650), (5, 4031790), (6, 3359825), (7, 2879850), (10, 2015895), (14, 1439925), (15, 1343930), (21, 959950), (25, 806358), (30, 671965), (35, 575970), (42, 479975), (50, 403179), (70, 287985), (73, 276150), (75, 268786), (105, 191990), (146, 138075), (150, 134393), (175, 115194), (210, 95995), (219, 92050), (263, 76650), (350, 57597), (365, 55230), (438, 46025), (511, 39450), (525, 38398), (526, 38325), (730, 27615), (789, 25550), (1022, 19725), (1050, 19199), (1095, 18410), (1315, 15330), (1533, 13150), (1578, 12775), (1825, 11046), (1841, 10950), (2190, 9205), (2555, 7890), (2630, 7665), (3066, 6575), (3650, 5523), (3682, 5475), (3945, 5110)]