20246940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{16069}}^1$

素因数の和:16091

約数の個数: 72

約数和(自身を含む): 70193760

約数和(自身を除く): 49946820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 16069, 32138, 48207, 64276, 80345, 96414, 112483, 144621, 160690, 192828, 224966, 241035, 289242, 321380, 337449, 449932, 482070, 562415, 578484, 674898, 723105, 964140, 1012347, 1124830, 1349796, 1446210, 1687245, 2024694, 2249660, 2892420, 3374490, 4049388, 5061735, 6748980, 10123470, 20246940]

約数ペア:

[(1, 20246940), (2, 10123470), (3, 6748980), (4, 5061735), (5, 4049388), (6, 3374490), (7, 2892420), (9, 2249660), (10, 2024694), (12, 1687245), (14, 1446210), (15, 1349796), (18, 1124830), (20, 1012347), (21, 964140), (28, 723105), (30, 674898), (35, 578484), (36, 562415), (42, 482070), (45, 449932), (60, 337449), (63, 321380), (70, 289242), (84, 241035), (90, 224966), (105, 192828), (126, 160690), (140, 144621), (180, 112483), (210, 96414), (252, 80345), (315, 64276), (420, 48207), (630, 32138), (1260, 16069)]