20120647144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{25247}}^1$

素因数の和:25442

約数の個数: 64

約数和(自身を含む): 41568307200

約数和(自身を除く): 21447660056

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 97, 104, 158, 194, 316, 388, 632, 776, 1027, 1261, 2054, 2522, 4108, 5044, 7663, 8216, 10088, 15326, 25247, 30652, 50494, 61304, 99619, 100988, 199238, 201976, 328211, 398476, 656422, 796952, 1312844, 1994513, 2448959, 2625688, 3989026, 4897918, 7978052, 9795836, 15956104, 19591672, 25928669, 31836467, 51857338, 63672934, 103714676, 127345868, 193467761, 207429352, 254691736, 386935522, 773871044, 1547742088, 2515080893, 5030161786, 10060323572, 20120647144]

約数ペア:

[(1, 20120647144), (2, 10060323572), (4, 5030161786), (8, 2515080893), (13, 1547742088), (26, 773871044), (52, 386935522), (79, 254691736), (97, 207429352), (104, 193467761), (158, 127345868), (194, 103714676), (316, 63672934), (388, 51857338), (632, 31836467), (776, 25928669), (1027, 19591672), (1261, 15956104), (2054, 9795836), (2522, 7978052), (4108, 4897918), (5044, 3989026), (7663, 2625688), (8216, 2448959), (10088, 1994513), (15326, 1312844), (25247, 796952), (30652, 656422), (50494, 398476), (61304, 328211), (99619, 201976), (100988, 199238)]