20591172

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{1297}}^1$

素因数の和:1327

約数の個数: 90

約数和(自身を含む): 62666142

約数和(自身を除く): 42074970

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1297, 1323, 1764, 2268, 2594, 2646, 3891, 3969, 5188, 5292, 7782, 7938, 9079, 11673, 15564, 15876, 18158, 23346, 27237, 35019, 36316, 46692, 54474, 63553, 70038, 81711, 105057, 108948, 127106, 140076, 163422, 190659, 210114, 245133, 254212, 326844, 381318, 420228, 490266, 571977, 735399, 762636, 980532, 1143954, 1470798, 1715931, 2287908, 2941596, 3431862, 5147793, 6863724, 10295586, 20591172]

約数ペア:

[(1, 20591172), (2, 10295586), (3, 6863724), (4, 5147793), (6, 3431862), (7, 2941596), (9, 2287908), (12, 1715931), (14, 1470798), (18, 1143954), (21, 980532), (27, 762636), (28, 735399), (36, 571977), (42, 490266), (49, 420228), (54, 381318), (63, 326844), (81, 254212), (84, 245133), (98, 210114), (108, 190659), (126, 163422), (147, 140076), (162, 127106), (189, 108948), (196, 105057), (252, 81711), (294, 70038), (324, 63553), (378, 54474), (441, 46692), (567, 36316), (588, 35019), (756, 27237), (882, 23346), (1134, 18158), (1297, 15876), (1323, 15564), (1764, 11673), (2268, 9079), (2594, 7938), (2646, 7782), (3891, 5292), (3969, 5188)]