20194672980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{860813}}^1$

素因数の和:860865

約数の個数: 96

約数和(自身を含む): 62474436864

約数和(自身を除く): 42279763884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 34, 46, 51, 60, 68, 69, 85, 92, 102, 115, 138, 170, 204, 230, 255, 276, 340, 345, 391, 460, 510, 690, 782, 1020, 1173, 1380, 1564, 1955, 2346, 3910, 4692, 5865, 7820, 11730, 23460, 860813, 1721626, 2582439, 3443252, 4304065, 5164878, 8608130, 10329756, 12912195, 14633821, 17216260, 19798699, 25824390, 29267642, 39597398, 43901463, 51648780, 58535284, 59396097, 73169105, 79194796, 87802926, 98993495, 118792194, 146338210, 175605852, 197986990, 219507315, 237584388, 292676420, 296980485, 336577883, 395973980, 439014630, 593960970, 673155766, 878029260, 1009733649, 1187921940, 1346311532, 1682889415, 2019467298, 3365778830, 4038934596, 5048668245, 6731557660, 10097336490, 20194672980]

約数ペア:

[(1, 20194672980), (2, 10097336490), (3, 6731557660), (4, 5048668245), (5, 4038934596), (6, 3365778830), (10, 2019467298), (12, 1682889415), (15, 1346311532), (17, 1187921940), (20, 1009733649), (23, 878029260), (30, 673155766), (34, 593960970), (46, 439014630), (51, 395973980), (60, 336577883), (68, 296980485), (69, 292676420), (85, 237584388), (92, 219507315), (102, 197986990), (115, 175605852), (138, 146338210), (170, 118792194), (204, 98993495), (230, 87802926), (255, 79194796), (276, 73169105), (340, 59396097), (345, 58535284), (391, 51648780), (460, 43901463), (510, 39597398), (690, 29267642), (782, 25824390), (1020, 19798699), (1173, 17216260), (1380, 14633821), (1564, 12912195), (1955, 10329756), (2346, 8608130), (3910, 5164878), (4692, 4304065), (5865, 3443252), (7820, 2582439), (11730, 1721626), (23460, 860813)]