20197619488

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1\times {\mathrm{601}}^1$

素因数の和:1170

約数の個数: 96

約数和(自身を含む): 42543869760

約数和(自身を除く): 22346250272

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 163, 272, 326, 379, 544, 601, 652, 758, 1202, 1304, 1516, 2404, 2608, 2771, 3032, 4808, 5216, 5542, 6064, 6443, 9616, 10217, 11084, 12128, 12886, 19232, 20434, 22168, 25772, 40868, 44336, 51544, 61777, 81736, 88672, 97963, 103088, 123554, 163472, 195926, 206176, 227779, 247108, 326944, 391852, 455558, 494216, 783704, 911116, 988432, 1050209, 1567408, 1665371, 1822232, 1976864, 2100418, 3134816, 3330742, 3644464, 3872243, 4200836, 6661484, 7288928, 7744486, 8401672, 13322968, 15488972, 16803344, 26645936, 30977944, 33606688, 37127977, 53291872, 61955888, 74255954, 123911776, 148511908, 297023816, 594047632, 631175609, 1188095264, 1262351218, 2524702436, 5049404872, 10098809744, 20197619488]

約数ペア:

[(1, 20197619488), (2, 10098809744), (4, 5049404872), (8, 2524702436), (16, 1262351218), (17, 1188095264), (32, 631175609), (34, 594047632), (68, 297023816), (136, 148511908), (163, 123911776), (272, 74255954), (326, 61955888), (379, 53291872), (544, 37127977), (601, 33606688), (652, 30977944), (758, 26645936), (1202, 16803344), (1304, 15488972), (1516, 13322968), (2404, 8401672), (2608, 7744486), (2771, 7288928), (3032, 6661484), (4808, 4200836), (5216, 3872243), (5542, 3644464), (6064, 3330742), (6443, 3134816), (9616, 2100418), (10217, 1976864), (11084, 1822232), (12128, 1665371), (12886, 1567408), (19232, 1050209), (20434, 988432), (22168, 911116), (25772, 783704), (40868, 494216), (44336, 455558), (51544, 391852), (61777, 326944), (81736, 247108), (88672, 227779), (97963, 206176), (103088, 195926), (123554, 163472)]