20631156

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2699}}^1$

素因数の和:2733

約数の個数: 72

約数和(自身を含む): 60328800

約数和(自身を除く): 39697644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 2699, 3822, 5398, 7644, 8097, 10796, 16194, 18893, 32388, 35087, 37786, 56679, 70174, 75572, 105261, 113358, 132251, 140348, 210522, 226716, 245609, 264502, 396753, 421044, 491218, 529004, 736827, 793506, 982436, 1473654, 1587012, 1719263, 2947308, 3438526, 5157789, 6877052, 10315578, 20631156]

約数ペア:

[(1, 20631156), (2, 10315578), (3, 6877052), (4, 5157789), (6, 3438526), (7, 2947308), (12, 1719263), (13, 1587012), (14, 1473654), (21, 982436), (26, 793506), (28, 736827), (39, 529004), (42, 491218), (49, 421044), (52, 396753), (78, 264502), (84, 245609), (91, 226716), (98, 210522), (147, 140348), (156, 132251), (182, 113358), (196, 105261), (273, 75572), (294, 70174), (364, 56679), (546, 37786), (588, 35087), (637, 32388), (1092, 18893), (1274, 16194), (1911, 10796), (2548, 8097), (2699, 7644), (3822, 5398)]