20122185717

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{26891}}^1$

素因数の和:27034

約数の個数: 48

約数和(自身を含む): 31211930880

約数和(自身を除く): 11089745163

約数列:

[1, 3, 9, 29, 47, 61, 87, 141, 183, 261, 423, 549, 1363, 1769, 2867, 4089, 5307, 8601, 12267, 15921, 25803, 26891, 80673, 83143, 242019, 249429, 748287, 779839, 1263877, 1640351, 2339517, 3791631, 4921053, 7018551, 11374893, 14763159, 36652433, 47570179, 77096497, 109957299, 142710537, 231289491, 329871897, 428131611, 693868473, 2235798413, 6707395239, 20122185717]

約数ペア:

[(1, 20122185717), (3, 6707395239), (9, 2235798413), (29, 693868473), (47, 428131611), (61, 329871897), (87, 231289491), (141, 142710537), (183, 109957299), (261, 77096497), (423, 47570179), (549, 36652433), (1363, 14763159), (1769, 11374893), (2867, 7018551), (4089, 4921053), (5307, 3791631), (8601, 2339517), (12267, 1640351), (15921, 1263877), (25803, 779839), (26891, 748287), (80673, 249429), (83143, 242019)]