20729376

素因数分解:

$2^5\times 3^2\times {\mathrm{167}}^1\times {\mathrm{431}}^1$

素因数の和:614

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 38710368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 167, 288, 334, 431, 501, 668, 862, 1002, 1293, 1336, 1503, 1724, 2004, 2586, 2672, 3006, 3448, 3879, 4008, 5172, 5344, 6012, 6896, 7758, 8016, 10344, 12024, 13792, 15516, 16032, 20688, 24048, 31032, 41376, 48096, 62064, 71977, 124128, 143954, 215931, 287908, 431862, 575816, 647793, 863724, 1151632, 1295586, 1727448, 2303264, 2591172, 3454896, 5182344, 6909792, 10364688, 20729376]

約数ペア:

[(1, 20729376), (2, 10364688), (3, 6909792), (4, 5182344), (6, 3454896), (8, 2591172), (9, 2303264), (12, 1727448), (16, 1295586), (18, 1151632), (24, 863724), (32, 647793), (36, 575816), (48, 431862), (72, 287908), (96, 215931), (144, 143954), (167, 124128), (288, 71977), (334, 62064), (431, 48096), (501, 41376), (668, 31032), (862, 24048), (1002, 20688), (1293, 16032), (1336, 15516), (1503, 13792), (1724, 12024), (2004, 10344), (2586, 8016), (2672, 7758), (3006, 6896), (3448, 6012), (3879, 5344), (4008, 5172)]