20368712

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 48048000

約数和(自身を除く): 27679288

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 343, 364, 392, 571, 637, 686, 728, 1142, 1274, 1372, 2284, 2548, 2744, 3997, 4459, 4568, 5096, 7423, 7994, 8918, 14846, 15988, 17836, 27979, 29692, 31976, 35672, 51961, 55958, 59384, 103922, 111916, 195853, 207844, 223832, 363727, 391706, 415688, 727454, 783412, 1454908, 1566824, 2546089, 2909816, 5092178, 10184356, 20368712]

約数ペア:

[(1, 20368712), (2, 10184356), (4, 5092178), (7, 2909816), (8, 2546089), (13, 1566824), (14, 1454908), (26, 783412), (28, 727454), (49, 415688), (52, 391706), (56, 363727), (91, 223832), (98, 207844), (104, 195853), (182, 111916), (196, 103922), (343, 59384), (364, 55958), (392, 51961), (571, 35672), (637, 31976), (686, 29692), (728, 27979), (1142, 17836), (1274, 15988), (1372, 14846), (2284, 8918), (2548, 7994), (2744, 7423), (3997, 5096), (4459, 4568)]