20388060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1471}}^1$

素因数の和:1504

約数の個数: 144

約数和(自身を含む): 77156352

約数和(自身を除く): 56768292

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1471, 1540, 1980, 2310, 2772, 2942, 3465, 4413, 4620, 5884, 6930, 7355, 8826, 10297, 13239, 13860, 14710, 16181, 17652, 20594, 22065, 26478, 29420, 30891, 32362, 41188, 44130, 48543, 51485, 52956, 61782, 64724, 66195, 80905, 88260, 92673, 97086, 102970, 113267, 123564, 132390, 145629, 154455, 161810, 185346, 194172, 205940, 226534, 242715, 264780, 291258, 308910, 323620, 339801, 370692, 453068, 463365, 485430, 566335, 582516, 617820, 679602, 728145, 926730, 970860, 1019403, 1132670, 1359204, 1456290, 1699005, 1853460, 2038806, 2265340, 2912580, 3398010, 4077612, 5097015, 6796020, 10194030, 20388060]

約数ペア:

[(1, 20388060), (2, 10194030), (3, 6796020), (4, 5097015), (5, 4077612), (6, 3398010), (7, 2912580), (9, 2265340), (10, 2038806), (11, 1853460), (12, 1699005), (14, 1456290), (15, 1359204), (18, 1132670), (20, 1019403), (21, 970860), (22, 926730), (28, 728145), (30, 679602), (33, 617820), (35, 582516), (36, 566335), (42, 485430), (44, 463365), (45, 453068), (55, 370692), (60, 339801), (63, 323620), (66, 308910), (70, 291258), (77, 264780), (84, 242715), (90, 226534), (99, 205940), (105, 194172), (110, 185346), (126, 161810), (132, 154455), (140, 145629), (154, 132390), (165, 123564), (180, 113267), (198, 102970), (210, 97086), (220, 92673), (231, 88260), (252, 80905), (308, 66195), (315, 64724), (330, 61782), (385, 52956), (396, 51485), (420, 48543), (462, 44130), (495, 41188), (630, 32362), (660, 30891), (693, 29420), (770, 26478), (924, 22065), (990, 20594), (1155, 17652), (1260, 16181), (1386, 14710), (1471, 13860), (1540, 13239), (1980, 10297), (2310, 8826), (2772, 7355), (2942, 6930), (3465, 5884), (4413, 4620)]