20929230

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 41969970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 139, 210, 239, 278, 315, 417, 478, 630, 695, 717, 834, 973, 1195, 1251, 1390, 1434, 1673, 1946, 2085, 2151, 2390, 2502, 2919, 3346, 3585, 4170, 4302, 4865, 5019, 5838, 6255, 7170, 8365, 8757, 9730, 10038, 10755, 12510, 14595, 15057, 16730, 17514, 21510, 25095, 29190, 30114, 33221, 43785, 50190, 66442, 75285, 87570, 99663, 150570, 166105, 199326, 232547, 298989, 332210, 465094, 498315, 597978, 697641, 996630, 1162735, 1395282, 1494945, 2092923, 2325470, 2989890, 3488205, 4185846, 6976410, 10464615, 20929230]

約数ペア:

[(1, 20929230), (2, 10464615), (3, 6976410), (5, 4185846), (6, 3488205), (7, 2989890), (9, 2325470), (10, 2092923), (14, 1494945), (15, 1395282), (18, 1162735), (21, 996630), (30, 697641), (35, 597978), (42, 498315), (45, 465094), (63, 332210), (70, 298989), (90, 232547), (105, 199326), (126, 166105), (139, 150570), (210, 99663), (239, 87570), (278, 75285), (315, 66442), (417, 50190), (478, 43785), (630, 33221), (695, 30114), (717, 29190), (834, 25095), (973, 21510), (1195, 17514), (1251, 16730), (1390, 15057), (1434, 14595), (1673, 12510), (1946, 10755), (2085, 10038), (2151, 9730), (2390, 8757), (2502, 8365), (2919, 7170), (3346, 6255), (3585, 5838), (4170, 5019), (4302, 4865)]