20628090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 62000640

約数和(自身を除く): 41372550

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 137, 210, 239, 274, 315, 411, 478, 630, 685, 717, 822, 959, 1195, 1233, 1370, 1434, 1673, 1918, 2055, 2151, 2390, 2466, 2877, 3346, 3585, 4110, 4302, 4795, 5019, 5754, 6165, 7170, 8365, 8631, 9590, 10038, 10755, 12330, 14385, 15057, 16730, 17262, 21510, 25095, 28770, 30114, 32743, 43155, 50190, 65486, 75285, 86310, 98229, 150570, 163715, 196458, 229201, 294687, 327430, 458402, 491145, 589374, 687603, 982290, 1146005, 1375206, 1473435, 2062809, 2292010, 2946870, 3438015, 4125618, 6876030, 10314045, 20628090]

約数ペア:

[(1, 20628090), (2, 10314045), (3, 6876030), (5, 4125618), (6, 3438015), (7, 2946870), (9, 2292010), (10, 2062809), (14, 1473435), (15, 1375206), (18, 1146005), (21, 982290), (30, 687603), (35, 589374), (42, 491145), (45, 458402), (63, 327430), (70, 294687), (90, 229201), (105, 196458), (126, 163715), (137, 150570), (210, 98229), (239, 86310), (274, 75285), (315, 65486), (411, 50190), (478, 43155), (630, 32743), (685, 30114), (717, 28770), (822, 25095), (959, 21510), (1195, 17262), (1233, 16730), (1370, 15057), (1434, 14385), (1673, 12330), (1918, 10755), (2055, 10038), (2151, 9590), (2390, 8631), (2466, 8365), (2877, 7170), (3346, 6165), (3585, 5754), (4110, 5019), (4302, 4795)]