20021148

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:464

約数の個数: 96

約数和(自身を含む): 60318720

約数和(自身を除く): 40297572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 71, 84, 108, 126, 142, 189, 213, 252, 284, 373, 378, 426, 497, 639, 746, 756, 852, 994, 1119, 1278, 1491, 1492, 1917, 1988, 2238, 2556, 2611, 2982, 3357, 3834, 4473, 4476, 5222, 5964, 6714, 7668, 7833, 8946, 10071, 10444, 13419, 13428, 15666, 17892, 20142, 23499, 26483, 26838, 31332, 40284, 46998, 52966, 53676, 70497, 79449, 93996, 105932, 140994, 158898, 185381, 238347, 281988, 317796, 370762, 476694, 556143, 715041, 741524, 953388, 1112286, 1430082, 1668429, 2224572, 2860164, 3336858, 5005287, 6673716, 10010574, 20021148]

約数ペア:

[(1, 20021148), (2, 10010574), (3, 6673716), (4, 5005287), (6, 3336858), (7, 2860164), (9, 2224572), (12, 1668429), (14, 1430082), (18, 1112286), (21, 953388), (27, 741524), (28, 715041), (36, 556143), (42, 476694), (54, 370762), (63, 317796), (71, 281988), (84, 238347), (108, 185381), (126, 158898), (142, 140994), (189, 105932), (213, 93996), (252, 79449), (284, 70497), (373, 53676), (378, 52966), (426, 46998), (497, 40284), (639, 31332), (746, 26838), (756, 26483), (852, 23499), (994, 20142), (1119, 17892), (1278, 15666), (1491, 13428), (1492, 13419), (1917, 10444), (1988, 10071), (2238, 8946), (2556, 7833), (2611, 7668), (2982, 6714), (3357, 5964), (3834, 5222), (4473, 4476)]