19928460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8101}}^1$

素因数の和:8154

約数の個数: 48

約数和(自身を含む): 57167712

約数和(自身を除く): 37239252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8101, 16202, 24303, 32404, 40505, 48606, 81010, 97212, 121515, 162020, 243030, 332141, 486060, 664282, 996423, 1328564, 1660705, 1992846, 3321410, 3985692, 4982115, 6642820, 9964230, 19928460]

約数ペア:

[(1, 19928460), (2, 9964230), (3, 6642820), (4, 4982115), (5, 3985692), (6, 3321410), (10, 1992846), (12, 1660705), (15, 1328564), (20, 996423), (30, 664282), (41, 486060), (60, 332141), (82, 243030), (123, 162020), (164, 121515), (205, 97212), (246, 81010), (410, 48606), (492, 40505), (615, 32404), (820, 24303), (1230, 16202), (2460, 8101)]