20949852

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 64350720

約数和(自身を除く): 43400868

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 41, 42, 44, 49, 66, 77, 79, 82, 84, 98, 123, 132, 147, 154, 158, 164, 196, 231, 237, 246, 287, 294, 308, 316, 451, 462, 474, 492, 539, 553, 574, 588, 861, 869, 902, 924, 948, 1078, 1106, 1148, 1353, 1617, 1659, 1722, 1738, 1804, 2009, 2156, 2212, 2607, 2706, 3157, 3234, 3239, 3318, 3444, 3476, 3871, 4018, 5214, 5412, 6027, 6083, 6314, 6468, 6478, 6636, 7742, 8036, 9471, 9717, 10428, 11613, 12054, 12166, 12628, 12956, 15484, 18249, 18942, 19434, 22099, 22673, 23226, 24108, 24332, 35629, 36498, 37884, 38868, 42581, 44198, 45346, 46452, 66297, 68019, 71258, 72996, 85162, 88396, 90692, 106887, 127743, 132594, 136038, 142516, 158711, 170324, 213774, 249403, 255486, 265188, 272076, 317422, 427548, 476133, 498806, 510972, 634844, 748209, 952266, 997612, 1496418, 1745821, 1904532, 2992836, 3491642, 5237463, 6983284, 10474926, 20949852]

約数ペア:

[(1, 20949852), (2, 10474926), (3, 6983284), (4, 5237463), (6, 3491642), (7, 2992836), (11, 1904532), (12, 1745821), (14, 1496418), (21, 997612), (22, 952266), (28, 748209), (33, 634844), (41, 510972), (42, 498806), (44, 476133), (49, 427548), (66, 317422), (77, 272076), (79, 265188), (82, 255486), (84, 249403), (98, 213774), (123, 170324), (132, 158711), (147, 142516), (154, 136038), (158, 132594), (164, 127743), (196, 106887), (231, 90692), (237, 88396), (246, 85162), (287, 72996), (294, 71258), (308, 68019), (316, 66297), (451, 46452), (462, 45346), (474, 44198), (492, 42581), (539, 38868), (553, 37884), (574, 36498), (588, 35629), (861, 24332), (869, 24108), (902, 23226), (924, 22673), (948, 22099), (1078, 19434), (1106, 18942), (1148, 18249), (1353, 15484), (1617, 12956), (1659, 12628), (1722, 12166), (1738, 12054), (1804, 11613), (2009, 10428), (2156, 9717), (2212, 9471), (2607, 8036), (2706, 7742), (3157, 6636), (3234, 6478), (3239, 6468), (3318, 6314), (3444, 6083), (3476, 6027), (3871, 5412), (4018, 5214)]