20264790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{571}}^1$

素因数の和:614

約数の個数: 96

約数和(自身を含む): 60293376

約数和(自身を除く): 40028586

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 169, 182, 195, 210, 273, 338, 390, 455, 507, 546, 571, 845, 910, 1014, 1142, 1183, 1365, 1690, 1713, 2366, 2535, 2730, 2855, 3426, 3549, 3997, 5070, 5710, 5915, 7098, 7423, 7994, 8565, 11830, 11991, 14846, 17130, 17745, 19985, 22269, 23982, 35490, 37115, 39970, 44538, 51961, 59955, 74230, 96499, 103922, 111345, 119910, 155883, 192998, 222690, 259805, 289497, 311766, 482495, 519610, 578994, 675493, 779415, 964990, 1350986, 1447485, 1558830, 2026479, 2894970, 3377465, 4052958, 6754930, 10132395, 20264790]

約数ペア:

[(1, 20264790), (2, 10132395), (3, 6754930), (5, 4052958), (6, 3377465), (7, 2894970), (10, 2026479), (13, 1558830), (14, 1447485), (15, 1350986), (21, 964990), (26, 779415), (30, 675493), (35, 578994), (39, 519610), (42, 482495), (65, 311766), (70, 289497), (78, 259805), (91, 222690), (105, 192998), (130, 155883), (169, 119910), (182, 111345), (195, 103922), (210, 96499), (273, 74230), (338, 59955), (390, 51961), (455, 44538), (507, 39970), (546, 37115), (571, 35490), (845, 23982), (910, 22269), (1014, 19985), (1142, 17745), (1183, 17130), (1365, 14846), (1690, 11991), (1713, 11830), (2366, 8565), (2535, 7994), (2730, 7423), (2855, 7098), (3426, 5915), (3549, 5710), (3997, 5070)]