20460744

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 58406400

約数和(自身を除く): 37945656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 89, 93, 103, 124, 178, 186, 206, 248, 267, 279, 309, 356, 372, 412, 534, 558, 618, 712, 744, 801, 824, 927, 1068, 1116, 1236, 1602, 1854, 2136, 2232, 2472, 2759, 3193, 3204, 3708, 5518, 6386, 6408, 7416, 8277, 9167, 9579, 11036, 12772, 16554, 18334, 19158, 22072, 24831, 25544, 27501, 28737, 33108, 36668, 38316, 49662, 55002, 57474, 66216, 73336, 76632, 82503, 99324, 110004, 114948, 165006, 198648, 220008, 229896, 284177, 330012, 568354, 660024, 852531, 1136708, 1705062, 2273416, 2557593, 3410124, 5115186, 6820248, 10230372, 20460744]

約数ペア:

[(1, 20460744), (2, 10230372), (3, 6820248), (4, 5115186), (6, 3410124), (8, 2557593), (9, 2273416), (12, 1705062), (18, 1136708), (24, 852531), (31, 660024), (36, 568354), (62, 330012), (72, 284177), (89, 229896), (93, 220008), (103, 198648), (124, 165006), (178, 114948), (186, 110004), (206, 99324), (248, 82503), (267, 76632), (279, 73336), (309, 66216), (356, 57474), (372, 55002), (412, 49662), (534, 38316), (558, 36668), (618, 33108), (712, 28737), (744, 27501), (801, 25544), (824, 24831), (927, 22072), (1068, 19158), (1116, 18334), (1236, 16554), (1602, 12772), (1854, 11036), (2136, 9579), (2232, 9167), (2472, 8277), (2759, 7416), (3193, 6408), (3204, 6386), (3708, 5518)]