20355930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:508

約数の個数: 96

約数和(自身を含む): 61401600

約数和(自身を除く): 41045670

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 79, 90, 105, 126, 158, 210, 237, 315, 395, 409, 474, 553, 630, 711, 790, 818, 1106, 1185, 1227, 1422, 1659, 2045, 2370, 2454, 2765, 2863, 3318, 3555, 3681, 4090, 4977, 5530, 5726, 6135, 7110, 7362, 8295, 8589, 9954, 12270, 14315, 16590, 17178, 18405, 24885, 25767, 28630, 32311, 36810, 42945, 49770, 51534, 64622, 85890, 96933, 128835, 161555, 193866, 226177, 257670, 290799, 323110, 452354, 484665, 581598, 678531, 969330, 1130885, 1357062, 1453995, 2035593, 2261770, 2907990, 3392655, 4071186, 6785310, 10177965, 20355930]

約数ペア:

[(1, 20355930), (2, 10177965), (3, 6785310), (5, 4071186), (6, 3392655), (7, 2907990), (9, 2261770), (10, 2035593), (14, 1453995), (15, 1357062), (18, 1130885), (21, 969330), (30, 678531), (35, 581598), (42, 484665), (45, 452354), (63, 323110), (70, 290799), (79, 257670), (90, 226177), (105, 193866), (126, 161555), (158, 128835), (210, 96933), (237, 85890), (315, 64622), (395, 51534), (409, 49770), (474, 42945), (553, 36810), (630, 32311), (711, 28630), (790, 25767), (818, 24885), (1106, 18405), (1185, 17178), (1227, 16590), (1422, 14315), (1659, 12270), (2045, 9954), (2370, 8589), (2454, 8295), (2765, 7362), (2863, 7110), (3318, 6135), (3555, 5726), (3681, 5530), (4090, 4977)]