20123202080

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{11443}}^1$

素因数の和:11866

約数の個数: 96

約数和(自身を含む): 49314484800

約数和(自身を除く): 29191282720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 379, 464, 580, 758, 928, 1160, 1516, 1895, 2320, 3032, 3790, 4640, 6064, 7580, 10991, 11443, 12128, 15160, 21982, 22886, 30320, 43964, 45772, 54955, 57215, 60640, 87928, 91544, 109910, 114430, 175856, 183088, 219820, 228860, 331847, 351712, 366176, 439640, 457720, 663694, 879280, 915440, 1327388, 1659235, 1758560, 1830880, 2654776, 3318470, 4336897, 5309552, 6636940, 8673794, 10619104, 13273880, 17347588, 21684485, 26547760, 34695176, 43368970, 53095520, 69390352, 86737940, 125770013, 138780704, 173475880, 251540026, 346951760, 503080052, 628850065, 693903520, 1006160104, 1257700130, 2012320208, 2515400260, 4024640416, 5030800520, 10061601040, 20123202080]

約数ペア:

[(1, 20123202080), (2, 10061601040), (4, 5030800520), (5, 4024640416), (8, 2515400260), (10, 2012320208), (16, 1257700130), (20, 1006160104), (29, 693903520), (32, 628850065), (40, 503080052), (58, 346951760), (80, 251540026), (116, 173475880), (145, 138780704), (160, 125770013), (232, 86737940), (290, 69390352), (379, 53095520), (464, 43368970), (580, 34695176), (758, 26547760), (928, 21684485), (1160, 17347588), (1516, 13273880), (1895, 10619104), (2320, 8673794), (3032, 6636940), (3790, 5309552), (4640, 4336897), (6064, 3318470), (7580, 2654776), (10991, 1830880), (11443, 1758560), (12128, 1659235), (15160, 1327388), (21982, 915440), (22886, 879280), (30320, 663694), (43964, 457720), (45772, 439640), (54955, 366176), (57215, 351712), (60640, 331847), (87928, 228860), (91544, 219820), (109910, 183088), (114430, 175856)]