20267974220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{8191}}^1$

素因数の和:8551

約数の個数: 96

約数和(自身を含む): 47475326976

約数和(自身を除く): 27207352756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 307, 310, 403, 614, 620, 806, 1228, 1535, 1612, 2015, 3070, 3991, 4030, 6140, 7982, 8060, 8191, 9517, 15964, 16382, 19034, 19955, 32764, 38068, 39910, 40955, 47585, 79820, 81910, 95170, 106483, 123721, 163820, 190340, 212966, 247442, 253921, 425932, 494884, 507842, 532415, 618605, 1015684, 1064830, 1237210, 1269605, 2129660, 2474420, 2514637, 2539210, 3300973, 5029274, 5078420, 6601946, 10058548, 12573185, 13203892, 16504865, 25146370, 32690281, 33009730, 50292740, 65380562, 66019460, 77953747, 130761124, 155907494, 163451405, 311814988, 326902810, 389768735, 653805620, 779537470, 1013398711, 1559074940, 2026797422, 4053594844, 5066993555, 10133987110, 20267974220]

約数ペア:

[(1, 20267974220), (2, 10133987110), (4, 5066993555), (5, 4053594844), (10, 2026797422), (13, 1559074940), (20, 1013398711), (26, 779537470), (31, 653805620), (52, 389768735), (62, 326902810), (65, 311814988), (124, 163451405), (130, 155907494), (155, 130761124), (260, 77953747), (307, 66019460), (310, 65380562), (403, 50292740), (614, 33009730), (620, 32690281), (806, 25146370), (1228, 16504865), (1535, 13203892), (1612, 12573185), (2015, 10058548), (3070, 6601946), (3991, 5078420), (4030, 5029274), (6140, 3300973), (7982, 2539210), (8060, 2514637), (8191, 2474420), (9517, 2129660), (15964, 1269605), (16382, 1237210), (19034, 1064830), (19955, 1015684), (32764, 618605), (38068, 532415), (39910, 507842), (40955, 494884), (47585, 425932), (79820, 253921), (81910, 247442), (95170, 212966), (106483, 190340), (123721, 163820)]