20385527617798

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{7673}}^1\times {\mathrm{47717}}^1$

素因数の和:55537

約数の個数: 64

約数和(自身を含む): 36173508674688

約数和(自身を除く): 15787981056890

約数列:

[1, 2, 7, 14, 41, 82, 97, 194, 287, 574, 679, 1358, 3977, 7673, 7954, 15346, 27839, 47717, 53711, 55678, 95434, 107422, 314593, 334019, 629186, 668038, 744281, 1488562, 1956397, 2202151, 3912794, 4404302, 4628549, 5209967, 9257098, 10419934, 13694779, 27389558, 30515521, 32399843, 61031042, 64799686, 189770509, 213608647, 366132541, 379541018, 427217294, 732265082, 1328393563, 2562927787, 2656787126, 5125855574, 15011434181, 30022868362, 35514856477, 71029712954, 105080039267, 210160078534, 248603995339, 497207990678, 1456109115557, 2912218231114, 10192763808899, 20385527617798]

約数ペア:

[(1, 20385527617798), (2, 10192763808899), (7, 2912218231114), (14, 1456109115557), (41, 497207990678), (82, 248603995339), (97, 210160078534), (194, 105080039267), (287, 71029712954), (574, 35514856477), (679, 30022868362), (1358, 15011434181), (3977, 5125855574), (7673, 2656787126), (7954, 2562927787), (15346, 1328393563), (27839, 732265082), (47717, 427217294), (53711, 379541018), (55678, 366132541), (95434, 213608647), (107422, 189770509), (314593, 64799686), (334019, 61031042), (629186, 32399843), (668038, 30515521), (744281, 27389558), (1488562, 13694779), (1956397, 10419934), (2202151, 9257098), (3912794, 5209967), (4404302, 4628549)]