20383020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2311}}^1$

素因数の和:2340

約数の個数: 108

約数和(自身を含む): 71954064

約数和(自身を除く): 51571044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2311, 2940, 4410, 4622, 6933, 8820, 9244, 11555, 13866, 16177, 20799, 23110, 27732, 32354, 34665, 41598, 46220, 48531, 64708, 69330, 80885, 83196, 97062, 103995, 113239, 138660, 145593, 161770, 194124, 207990, 226478, 242655, 291186, 323540, 339717, 415980, 452956, 485310, 566195, 582372, 679434, 727965, 970620, 1019151, 1132390, 1358868, 1455930, 1698585, 2038302, 2264780, 2911860, 3397170, 4076604, 5095755, 6794340, 10191510, 20383020]

約数ペア:

[(1, 20383020), (2, 10191510), (3, 6794340), (4, 5095755), (5, 4076604), (6, 3397170), (7, 2911860), (9, 2264780), (10, 2038302), (12, 1698585), (14, 1455930), (15, 1358868), (18, 1132390), (20, 1019151), (21, 970620), (28, 727965), (30, 679434), (35, 582372), (36, 566195), (42, 485310), (45, 452956), (49, 415980), (60, 339717), (63, 323540), (70, 291186), (84, 242655), (90, 226478), (98, 207990), (105, 194124), (126, 161770), (140, 145593), (147, 138660), (180, 113239), (196, 103995), (210, 97062), (245, 83196), (252, 80885), (294, 69330), (315, 64708), (420, 48531), (441, 46220), (490, 41598), (588, 34665), (630, 32354), (735, 27732), (882, 23110), (980, 20799), (1260, 16177), (1470, 13866), (1764, 11555), (2205, 9244), (2311, 8820), (2940, 6933), (4410, 4622)]