1636693420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{17203}}^1$

素因数の和:17350

約数の個数: 48

約数和(自身を含む): 3537692928

約数和(自身を除く): 1900999508

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 134, 142, 268, 284, 335, 355, 670, 710, 1340, 1420, 4757, 9514, 17203, 19028, 23785, 34406, 47570, 68812, 86015, 95140, 172030, 344060, 1152601, 1221413, 2305202, 2442826, 4610404, 4885652, 5763005, 6107065, 11526010, 12214130, 23052020, 24428260, 81834671, 163669342, 327338684, 409173355, 818346710, 1636693420]

約数ペア:

[(1, 1636693420), (2, 818346710), (4, 409173355), (5, 327338684), (10, 163669342), (20, 81834671), (67, 24428260), (71, 23052020), (134, 12214130), (142, 11526010), (268, 6107065), (284, 5763005), (335, 4885652), (355, 4610404), (670, 2442826), (710, 2305202), (1340, 1221413), (1420, 1152601), (4757, 344060), (9514, 172030), (17203, 95140), (19028, 86015), (23785, 68812), (34406, 47570)]